MSL YEAR 2 SUMMER WEATHER RECORD (Ls 270 to Ls 360/0)

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This page updated on 7/19/2017.

This article reveals all Mars Science Laboratory (MSL) weather data for MSL’s Mars Year 1 summer. It shows what was published by the Rover Environmental Monitoring Station (REMS) Team and JPL. It also reveals what the Roffman Team sees as weather anomalies, and how the REMS Team and JPL altered their data after we color-highlighted what was off the expected temperature and pressure curves. In February, 2016 we noticed that after we made a big deal of all the low UV values and how hard they were to explain, NASA dropped them all - changing them either to medium or not available.

Figure 1 - MSL pressure data leading up to Ls 270, the start of MSL's second summer in the southern hemisphere of Mars. Also shown are the pressures published by NASA for Viking 1 and 2 plus Phoenix. Figure 2 below show what we believe to be politically adjusted pressures for MSL Years 1, 2 and 3 (to Ls 330).

On Table 1 column subjects and color codings are as follows:

Column A (Sol). The Martian day is about 39 minutes longer than the terrestrial day.

Column B is solar longitude (Ls). MSL is in the Southern Hemisphere on Mars. The landing was at Ls 150 in winter. Ls 180 begins the spring there.  Ls 270 starts summer, Ls 0 starts the fall. Ls 90 starts the winter.

Column C shows the pressure reported by the REMS Team.

Column D shows the date on Earth.

Column E shows the maximum air temperature. With respect to the freezing point, from 0° C at 1 atm pressure it will increase up to 0.01° C at 0.006 atm (which is about the average pressure on Mars as given by NASA). This is the triple point of water. At pressures below this, water will never be liquid. It will change directly between solid and gas phase (sublimation). The temperature for this phase change, the sublimation point, will decrease as the pressure is further decreased

Column F shows minimum air temperature.

Column G shows the air temperature range for each sol. On Earth temperatures can vary by 40 °C in deserts. In column G where the range is 59 °C or less yellow background coloring points that out. The National Park Service claims the world record in a diurnal temperature variation is 102 °F (57 °C) (from 46 °F (8 °C) to −56 °F (−49 °C)) in Browning, Montana (elevation 4,377 feet/1,334 meters) on January 23 to 24, 1916. There were 2 days in Montana where the temperature changed by 57 °C.

Column H shows temperature range divided by 40. This allows us to compare terrestrial deserts with Gale Crater, Mars. How much cooling occurs at night is related to the density of the atmosphere. Here we see the ratio of cooling on a Mars sol to the typical 40 °C cooling figure for Earth's deserts shown with a green background when that ratio is under 1.5. For MSY Year 1 when we altered the devisor from 40 °C  to 57 °C then 88 of the ratios were altered to 1 or less than 1, meaning that Martian air pressure is indeed likely much higher than NASA claims.

Column I shows maximum ground temperature. As with terrestrial deserts, the ground on Mars heats more during the day than the air does, and it cools more at night than the air does. In Column K when the maximum ground temperature is given by REMS is above 0°C it is shown with a red background.

Column J shows the minimum ground temperature. When it is -90 °C or colder the background is in purple. The ground temperatures are not very precise. The requirement was to measure ground brightness temperature over the range from 150 to 300 K with a resolution of 2 K and an accuracy of 10 K

Column K. Drop in ground temperature from day to night.

Column L shows the increase in temperature from the mast 1.5 meters above the ground down to the ground during the daylight hours. In column N anytime there is an increase in temperature of 11 °C or more this in indicated with a dark blue background.

 

Column M shows the decrease in temperature from the ground to the air at nights. If the data were valid we would expect similar heating or cooling to occur over the set distance from ground to boom. A quick survey of the data immediately shows that this was not found. In column L we see a variation in heating between 0 °C and at least 15 °C with a 54 °C anomaly on Sol 1,070. For nighttime cooling any variation from 11°C to 19°C is shown with a medium blue background. More than that is shown with a dark blue background.

Column N shows the pressure for the same Ls in MSL Year 1.

Column O shows the absolute value of the change in pressure in Pascals from the same Ls in the previous year (Column [M] - [C]).

Column P shows the original pressure for the same Ls in MSL Year 1 before JPL revised their data.

Column Q shows the Ls during Year 1.

Column R shows the UV for the sol in Year 2.

Column S shows the UV for the sol in Year 1. All sols in MSL Year 1 and Year 2 have opacity listed as “sunny” which seems dubious.

Column T shows comments, if any.

 

 
 Note: After Sol 880 data in columns N. O, P and S is off by one Sol/row and is in the process of being repaired.

A B C D E F G

H

I J K L M N O P Q R S T
SOL ~LS PRESSURE Pa     EARTH DATE     MAX AIR TEMP °C     MIN AIR TEMP °C     AIR TEMP RANGE °C    

AIR TEMP RANGE °C/40   

 MAX GROUND TEMP °C

 

 
MIN GROUND TEMP °C    ∆  GROUND TEMP DAY TO NIGHT
DAYTIME INCREASE IN TEMP °C
TO GROUND
NIGHTIME DECREASE IN TEMP °C AIR TO GROUND PRESSURE AT SAME LS IN MSL YEAR 1   ∆ PRESSURE YEAR 1 TO YEAR 2 SAME LS ~LS year 1
PRESSURE YEAR 1 BEFORE REVISION   UV YR 2  
UV YR 1  
COMMENTS     
 

Yellow numbers = -80 to -89 °C,

red background = -90°C or colder drop

    

Blue = >10°C

   (yellow = 
> 7 Pa)
  Red =   > 0°C
865 270 913 1/11/2015 -5 -70 -65 1.625 4 -75  -79 9 -5 915 2 270 915.8 M H  
866 270 911 1/12/2015 -4 -71 -67 1.675 4 -74  -78 8 -3 914 3 271 914.34 M H  
867 271 910 1/13/2015 -2 -71 -69 1.725 4 -72  -76 6 -1 917 7 271 917 M H  
868 271 908 1/14/2015 -4 -71 -67 1.675 3 -71  -74 7 0 N/A N/A 272 937 M N/A RECORD DELETED
869 272 906 1/15/2015 -4 -72 -68 1.7 5 -72  -77 9 0 N/A N/A 272 N/A M N/A  
870 273 909 1/17/2015 -6 -74 -68 1.7 4 -75  -79 10 -1 N/A N/A 273 N/A M N/A  
871 273 903 1/18/2015 -7 -70 -63 1.575 3 -60  -63 10 10 N/A N/A 273 N/A M N/A  
872 274 902 1/19/2015 1 -72 -73 1.825 5 -72  -77 4 0 N /A N/A 274 N/A M N/A  
873 275 N/A 1/20/2015 N/A N/A N/A N/A N/A N/A   N/A N/A N/A N/A 275 N/A N/A N/A  
874 275 N/A 1/21/2015 N/A N/A N/A N/A N/A N/A   N/A N/A N/A N/A 275 N/A N/A N/A  
875 276 N/A 1/22/2015 N/A N/A N/A N/A N/A N/A   N/A N/A N/A N/A 276 N/A N/A N/A  
876 277 N/A 1/23/2015 N/A N/A N/A N/A N/A N/A   N/A N/A N/A N/A 277 N/A N/A N/A  
877 277 N/A 1/24/2015 N/A N/A N/A N/A N/A N/A   N/A N/A N/A N/A 277 N/A N/A N/A  
878 278 N/A 1/25/2015 N/A N/A N/A N/A N/A N/A   N/A N/A N/A N/A 278 N/A N/A N/A  
879 279 N/A 1/26/2015 N/A N/A N/A N/A N/A N/A   N/A N/A N/A N/A 279 N/A N/A N/A  
880 279 858 1/27/2015 3 -46 -49 1.225 5 -42  -47 2 4 N/A N/A 279 N/A M N/A ORIGINAL RECORD
880 279 872 1/27/2015 3 -57 -60 1.5 5 -60  -65 2 -3 N/A N/A 279 N/A M N/A REVISED RECORD
880 279 N/A 1/27/2015 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 279 279 279 N/A N/A AFTER REMS NOTICED OUR COLOR HIGHLIGHTING
881 280 895 revised to 899
1/28/2015 -4 -73 -69 1.725 4 -74  -78 8 -1 N/A N/A 280 874 M N/A  
882 280 901 1/29/2015 -6 -76 -70 1.75 3 -73  -76 9 3 N/A N/A 280 N/A M N/A  
883 281 897 1/30/2015 -4 -74 -70 1.75 3 -74  -77 7 0 N/A N/A 281 N/A M N/A  
884 282 897 1/31/2015 -5 -71 -66 1.65 5 -74  -79 10 -3 N/A N/A 282 N/A M N/A  
885 282 895 2/1/2015 -4 -71 -67 1.675 4 -73  -77 8 -2 N/A N/A 282 N/A M N/A  
886 283 894 2/2/2015 -6 -73 -67 1.675 4 -74  -78 10 -1 N/A N/A 283 N/A M N/A  
887 284 897 2/3/2015 -4 -73 -69 1.725 5 -73  -78 9 0 N/A N/A 284 N/A M N/A  
888 284 896 2/4/2015 -5 -70 -65 1.625 3 -74  -77 8 -4 N/A N/A 285.2 N/A H N/A  
889 285 895 2/5/2015 2 -70 -72 1.8 4 -74  -78 2 -4 N/A N/A 285.9 918 H N/A  
890 286 892 2/6/2015 -4 -72 -68 1.7 5 -73  -78 9 -1 N/A N/A 286 N/A H N/A  
891 286 892 2/7/2015 -3 -72 -69 1.725 5 -74  -79 8 -2 N/A N/A 286 868 H N/A  
892 287 892 2/8/2015 -3 -71 -68 1.7 5 -74  -79 8 -3 895 3 287 895 H VH  
893 287 890 2/9/2015 2 -72 -74 1.85 4 -73  -77 2 -1 894 4 287 894 H VH  
894 288 891 2/10/2015 -4 -75 -71 1.775 4 -74  -78 8 1 894 3 288 894.65 M VH  
895 289 889 2/11/2015 -4 -72 -68 1.7 5 -74  -79 9 -2 894 5 288 892.9 H VH  
896 289 888 2/12/2015 1 -70 -71 1.775 8 -73  -81 7 -3 892 4 289 894.27 H VH  
897 290 884 2/13/2015 5 -72 -77 1.925 7 -74  -84 2 -2 894 10 290 894.6 H VH  
898 291 883 2/14/2015 2 -72 -74 1.85 7 -75  -82 5 -3 894 11 290 N/A VH VH  
899 291 881 2/15/2015 -1 -75 -74 1.85 7 -73  -80 8 2 888 7 291 890.7 H VH  
900 292 883 2/16/2015 1 -70 -71 1.775 7 -75  -82 6 -5 890 7 292 888.32 H VH  
901 292 885 2/17/2015 -2 -71 -69 1.725 11 -74  -85 13 -3 888 3 292 890.2 H VH  
902 293 883 2/18/2015 0 -68 -68 1.7 5 -70  -75 5 -2 889 6 293 889.18 H VH  
903 294 882 2/19/2015 -2 -71 -69 1.725 6 -73  -79 8 -2 890 8 293 890 H VH  
904 294 878 2/20/2015 0 -71 -71 1.775 8 -74  -82 8 -3 886 8 294 N/A H VH  
905 295 880 2/21/2015 -2 -71 -69 1.725 8 -75  -83 10 -4 886 6 295 N/A H VH  
906 296 878 2/22/2015 -3 -76 -73 1.825 9 -75  -84 12 1 883 5 295 N/A H VH  
907 296 879 2/24/2015 -1 -75 -74 1.85 8 -75  -83 9 0 885 6 296 N/A H VH  
908 297 883 2/25/2015 -3 -71 -68 1.7 8 -75  -83 11 -4 885 2 297 N/A H VH  
909 297 878 2/26/2015 -2 -70 -68 1.7 8 -75  -83 10 -5 884 6 297 N/A H VH  
910 298 878 2/27/2015 0 -73 -73 1.825 9 -74  -83 9 -1 884 6 298 N/A H VH  
911 299 874 2/28/2015 0 -70 -70 1.75 8 -75  -83 8 -5 881 7 298 N/A H VH  
912 299 875 3/1/2015 -4 -75 -71 1.775 8 -76  -84 12 -1 884 9 299 N/A H VH  
913 300 871 3/2/2015 -4 -71 -67 1.675 10 -70  -80 14 1 878 7 300 N/A H VH  
914 300 874 3/3/2015 0 -71 -71 1.775 8 -60  -68
8 11 879 5 300 N/A H VH  
915 301 878 3/4/2015 -4 -71 -67 1.675 9 -74 -83
13 -3 878 0 301 N/A H VH  
916 302 872 3/5/2015 -5 -71 -66 1.65 9 -75 -84
14 -4 873 1 301 N/A H VH  
917 302 871 3/6/2015 -1 -76 -75 1.875 9 -75 -84
10 1 877 6 302 N/A H H  
918 303 867 3/7/2015 0 -71 -71 1.775 9 -76 -85
9 -5 873 6 303 N/A H H  
919 304 870 3/8/2015 -3 -74 -71 1.775 9 -74 -83
12 0 877 7 303 N/A H VH  
920 304 868 3/9/2015 -2 -72 -70 1.75 9 -72 -81
11 0 876 8 304 N/A H VH  
921 305 867 3/10/2015 2 -70 -72 1.8 9 -74 -83
7 -4 874 7 304 N/A VH VH  
922 305 870 3/11/2015 -2 -73 -71 1.775 9 -75 -84
11 -2 877 7 305 N/A VH VH  
923 306 867 3/12/2015 -5 -72 -67 1.675 14 -74  -88 19 -2 871 4 306 N/A VH VH  
924 307 867 3/13/2015 -1 -74 -73 1.825 10 -79 -89
11 -5 877 10 306 N/A VH VH  
925 307 862 3/14/2015 -2 -71 -69 1.725 9 -75 -84
11 -4 871 9 307 N/A H VH  
926 308 864 3/15/2015 1 -76 -77 1.925 10 -75  -85 9 1 871 7 308 N/A H VH  
927 308 862 3/16/2015 -2 -76 -74 1.85 11 -75 -86
13 1 869 7 308 N/A VH VH  
928 309 862 3/17/2015 0 -74 -74 1.85 9 -74 -83
9 0 871 9 309 N/A VH H  
929 310 866 3/18/2015 0 -75 -75 1.875 11 -76  -87 11 -1 875 9 309 N/A VH H  
930 310 865 3/19/2015 -1 -75 -74 1.85 10 -78  -88 11 -3 868.05 3.05 310 868 VH H  
931 311 864 3/20/2015 -1 -69 -68 1.7 10 -78 -88
11 -9 N/A N/A 311 900 VH N/A  
932 311 859 3/21/2015 1 -71 -72 1.8 10 -75 -85
9 -4 N/A N/A N/A N/A VH N/A  
933 312 863 3/22/2015 -4 -71 -67 1.675 11 -75  -86 15 -4 N/A N/A N/A N/A VH N/A  
934 313 874 3/23/2015 -13 -73 -60 1.5 -9 -75  -84 4 -2 N/A N/A N/A N/A VH N/A ORIGINAL RECORD
934 313 858 3/23/2015 1 -73 -74 1.85 9 -75  -84 8 -2 N/A N/A N/A N/A VH N/A REVISED RECORD
935 313 862 3/24/2015 -2 -75 -73 1.825 10 -75  -85 12 0 864 N/A N/A   VH N/A  
936 314 865 3/25/2015 -3 -72 -69 1.725 9 -75  -84 12 -3 864 -1 314 864.3 VH H  
937 314 863 3/26/2015 0 -73 -73 1.825 10 -77  -87 10 -4 863 0 315 N/A VH H  
939 315 N/A 3/28/2015 N/A N/A N/A N/A N/A  N/A  N/A N/A N/A 866.21 N/A 315 863 N/A H  
939 316 827 3/28/2015 -1 -60 -59 1.475 9 -62  -71 10 -2 864 37 316 N/A L changed to N/A
H Pressure too low
940 316 861 3/29/2015 -2 -73 -71 1.775 8 -71  -79 10 2 861 0 317 N/A VH H  
941 317 857 3/30/2015 0 -74 -74 1.85 6 -71 -77 6 3 861 4 318 865 H H  
942 317 857 3/31/2015 -1 -74 -73 1.825 6 -70  -76 7 4 860 3 318 N/A H H  
943 318 854 4/2/2015 -1 -73 -72 1.8 5 -69 74 6 4 858 4 319 864 H H  
944 318 852 4/3/2015 0 -70 -70 1.75 8 -70  -78 8 0 857 5 319 N/A H H  
945 319 851 4/4/2015 -1 -72 -71 1.775 5 -74  -79 6 -2 855 4 320 856.28 H H  
946 320 850 4/5/2015 -2 -77 -75 1.875 6 -74  -80 8 3 856 6 321 856 H H  
947 320 853 4/6/2015 -3 -70 -67 1.675 6 -73  -79 9 -3 856 3 321 855 H H  
948 321 854 4/7/2015 -8 -73 -65 1.625 6 -73  -79 14 0 855 1 322 855.5 H H  
949 321 851 4/8/2015 -4 -72 -68 1.7 9 -75  -84 13 -3 856 5 322 N/A H H  
950 322 850 4/9/2015 0 -73 -73 1.825 13 -71  -84 13 2 854 4 323 855.88 H H  
951 323 849 4/10/2015 -4 -75 -71 1.775 14 -81  -95 18 -6 854 5 323 N/A H H  
952 323 847 4/11/2015 -6 -69 -63 1.575 14 -78  -92 20 -9 852 5 324 852 H H  
953 324 847 4/12/2015 -5 -71 -66 1.65 12 -78  -90 17 -7 854 7 325 N/A H H  
954 324 847 4/13/2015 -3 -73 -70 1.75 11 -78  -89 14 -5 856 9 325 853.68 H H  
955 325 N/A 4/14/2015 N/A N/A N/A N/A N/A N/A  N/A N/A N/A 854 N/A 325 N/A N/A H  
956 325 N/A 4/15/2015 N/A N/A N/A N/A N/A N/A  N/A N/A N/A 856 N/A 325 853.68 N/A H  
957 326 823 4/16/2015 -7 -57 -50 1.25 16 -65  -81 23 -8 854 31 326 854.2 H H Pressure drop of 24 Pa from previous day. JPL LATER WIPED OUT THE DATA FROM THIS SOL.
957 326 N/A 4/16/2015 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
958 327 848 4/17/2015  -9 -74 -65
1.65  17
-83  -100 26 -9  853 5  327 850 H  H   
959 327 846 4/18/2015 -4 -78 -74 1.85 14 -84
 -98 18 -6 853  7 327 N/A  H H   
960 328 846 4/19/2015 -8 -77 -68 1.7 15
-86  -101 23  -10 853  7 328 N/A  H H   
961 328 849 4/20/2015 -3 -71
-68
 1.7 11  -80   -91 13  -7  849 0 329         
962 329 844 4/21/2015 -2 -73 -71 1.775 11 -80  -91 13 -7 850 6 329 850 H H  
963 329 850 4/22/2015 -5 -71 -66 1.65 10 -77  -87 15 -6 853 2 329  852 H  H   

964

330 847 4/23/2015  -13 -72 -59 1.475 9 -77  -86 22 -5 850 3 330 852  H  H   
965 331 847 4/24/2015  -10 -75 -65 1.625 8 -75  -83 18 0 849 2
 
330 850  H  H   
966 331 850 4/25/2015  -12  -73 -61 1.525 9 -75  -84 21 -2 850 0 331  N/A   H  H   
967 332 844 4/26/2015  -2  -74 -72 1.8 12 -76  -88 14 -2 850  5 331 N/A H  H   
968 332 848 4/27/2015  -3 -71 -68  1.7 11  -75  -86 14 -4 852 4 332 851  H  H   
969 333 844 4/28/2015  -2  -72 -70 1.75 11 -76  -87 13  -4 852 8 333 850 H  H   
970 333 849 4/29/2015  -4 -71 -67 1.675 11  -77  -88 15 -6 850 1 333 N/A  H  H   
971 334 848 4/30/2015  -3 -71 -68  1.7  14 -76  -90 17 -5 849 1 334 N/A  M H   
972 334 847 5/1/2015  -2  -73 -71 1.775 14 -80   -94 16 -7  848 1 334 N/A  H  H   
973 335 844 5/2/2015  -4 -72 -68 1.7  16 -81  -97 20 -9 847 3 335 N/A  H  H   
974 336 842 5/3/2015   -3 -73 -70 1.75 14  -80   -94 17 -7  848  6 336 N/A H H  
975 336 843 5/4/2015   -3 -73 -70   1.75 14 -78  -92 17  -5 851 8 336 N/A H H  
976 337 842 5/5/2015   -7 -73 -66 1.65 10 -78  -88 17  -5  850 8  337 N/A M H   
977 337 841 5/6/2015   -4 -75 -71 1.775  10 -78  -88 14 -3 848

7

338 N/A  M H   
978 338 842 5/7/2015 -2 -73 -71 1.775  10 -78  -88 12 -5 848

6

338 N/A M H  
979 338 841 5/9/2015 -4 -79 -75 1.875  11 -80  -91 15 -1 849 8 339 N/A M H  
980 339 840 5/10/2015 1 -73 -74 1.85 11 -78  -89 10 -5 846 6 339 N/A M H   
981 339 841 5/11/2015 -3 -73 -74 1.55 8 -78  -86 11 -5 845 4 340 N/A M H   
982 340 840 5/12/2015 -4 -74 -70 1.75 7 -76  -83 11 -2 845 5 340 N/A M H  
983 340 840 5/13/2015 -6 -76 -70 1.75 12 -77  -89 18 -1 849 9 341 N/A M H  
984 341 840 5/14/2015 -6 -74 -68 1.7 11 -83  -94 17 -9 848 8 341 N/A M H  
985 342 840 5/15/2015 -5 -78 -73 1.825 9 -81  -90 14 -3 849 9 342 N/A  M H   
986 342 840 5/16/2015 -1 -74 -73  1.825  9 -79  -88 10 -5 849 9 342 N/A  M H   
987 343 839 5/17/2015 -7 -74 -67 1.675  9 -77  -86 16 -3 847 8  343 N/A  M H   
988 343 840 5/18/2015 -10 -75 -65 1.625  8 -77  -85 18 -2 846 6 344 N/A M H  
989 344 841 5/19/2015 -10 -74 -64 1.6 9 -79  -88 19 -5 847 6 344 N/A M H  
990 344 839 5/20/2015 -1 -76 -75 1.875  9 -79  -88 10 -3 849 10 345 N/A H H  
991 345  840  5/21/2015  -3 -73 -70 1.75  4 -80  -84 7 -7 847 7 345  N/A  H  H   
992 345  842 5/22/2015  -6 -73 -67 1.675 4 -78  -82 10 -5 850 8   346 N/A  H H   
993 346 840  5/23/2015  -8 -73 -65 1.625 3 -76  -79 11 -3 847  7 346 N/A  H  H   
994 346 842 5/24/2015  -5  -79 -68 1.7 3 -77   -80 8 +2 848 6 347 N/A  H  H   
995 347 842 5/25/2015 -4 -74 -70 1.75 5 -78  -83 9 -4 48 6 347 N/A  H  VH  
996 348 842 5/26/2015 -4 -72 -68  1.7  2 -75  -77 6 -3 847  5 348 N/A  H  H  
997 348 842 5/27/2015 -13 -74 -61 1.525 1 -76  -77 14 -2 847 5 348 N/A H  
998 348 842 5/28/2015 -8 -73 -65 1.625  1 -74  -75 9  -1 848 6  349 N/A  H H  
999 349 N/A 5/29/2015  N/A N/A N/A N/A N/A N/A  N/A N/A N/A 848  N/A 349 N/A N/A H   
1000 350 841 5/30/2015 -12 -74 -62 1.55 1 -75  -76 13 -1 849 8   350 N/A  H  H   
1001 350

853 revised to 841

5/31/2015 -12 -79 -67  1.675  2 -77  -79 14  +2  849 4 350 N/A  H H   
1002 351 844 6/1/2015 -12  -77 -65 1.625   1 -77   -78 13 0 852 8  351 N/A   H  H   
1003 351 843 6/2/2015  -10 -74  -64 1.6  1  -77    -78 11 -3 852  9 351 N/A   H  H   
1004 352 842 6/3/2015   -9 -74  -65 1.625 1  -75  -76 10 -1  852  10 352 N/A   H  H   
1005 352  843  6/4/2015   -12   -75 -63 1.575 1  -75   -76 13  0  853 10  353 N/A H     
1006 353 870 revised to 844 6/5/2015 

-56

revised to -13

-78 -22 0.367 revised to 1.625
-42 revised to 0
-77  -35 revised to -77

14  revised to 13

+1 848 4 353 N/A  L revised to H
H   
1007 353  832 revised to 845
6/6/2015  -12  -79  -67  1.675  -3 revised to 1
-77   -80 revised to -78 13  +2 849 4 354 N/A  L  revised to H H   
1008 354 867 revised to 844
6/7/2015  -66 revised to -12 -76 revised to -79
-10 revised to -67 0.25 revised to 1.625 -56 revised to 2
-77   -21 revised to -79

10 revised to

14 

+2 851 7 354 N/A  L revised to H  H  SOLAR  CONJUNCTION - DATA NOT RELIABLE OR AVAILABLE
1009 354  845 6/8/2015   -12 -75 -63 1.575 1 -76  -77 13
-1 852 7 354 N/A  H  H  CONJUNCTION 
1010 355 846 6/9/2015   -11 -74 -63  1.575 -1 -76  -75 10
-2 851 5 355 N/A  H  H  CONJUNCTION 
1011 355 845 6/10/2015   -12 -78 -66 1.65 0 -75  -75 12 +3 850 5 356 N/A  H  H  CONJUNCTION 
1012 356 846 6/11/2015   -16 -81 -65 1.625 -1 -77  -76 15
+4 851  5 356  N/A  H  H  CONJUNCTION 
1013 356 846 6/12/2015   -12 -80 -68 1.7 0 -77  -77 12
+3 853 7  357  N/A  H  H  CONJUNCTION 
1014 356 846 6/13/2015  -14 -77 -63 1.575 0 -77  -77 14 0 853 7  357  N/A  H  H  CONJUNCTION 
1015 357 847 6/14/2015   -13 -75 -62 1.55 1 -76  -77 14 -1 851 4 358 N/A  H  H  CONJUNCTION 
1016 358 847 6/16/2015   -11 -76 -65 1.625 0 -77 -77
11
-1   850 3 358 N/A  H  H  CONJUNCTION 
1017 359 850 6/17/2015   -12 -78 -66  1.65 -1 -77 -76
11 +1 852 2 359 N/A  H  H  CONJUNCTION 
1018 359 850 6/18/2015   -15 -79 -64 1.6 -1 -78  -77 14
+1  853 3 359 N/A  H  H CONJUNCTION 
1019    0 819 6/19/2015   -14 -36 -22 0.55 -2 -24  -22 12 +12 853 34 0 N/A  M H CONJUNCTION  - DATA ALTERED BY JPL. See next line.
1019 0 849 6/19/2015 -14 -81 -67 1.675 -2 -78 -76 12 +3 853 4 0 N/A M H ALTERED DATA
1020    0 832  6/20/2015  -12  -63 -51

1.275 

-65   -66 13   -2 854
22 0  N/A  H H  BEGIN AUTUMN
SOL ~LS PRESSURE (PA)
EARTH DATE
MAX AIR TEMP °C MIN AIR TEMP °C
AIR TEMP RANGE °C
AIR TEMP RANGE °C/40

MAX GROUND TEMP °C

MIN GROUND TEMP °C
 ∆  GROUND TEMP DAY TO NIGHT

DAYTIME INCREASE IN TEMP °C AIR TO GROUND

NIGHTIME DECREASE IN TEMP °C AIR TO GROUND
PRESSURE AT SAME LS IN MSL YEAR 1
∆ PRESSURE YEAR 1 TO YEAR 2 SAME LS
~LS year 1 PRESSURE YEAR 1 BEFORE REVISION
UV YR 2

UV YR 1

COMMENTS
             Red =   > 0°C     Blue = >10°C     (yellow = > 7 Pa)        
     
                           
           
 
                   
                                 
                                 

 

 

Figure 3 below: The low temperatures for Sol 880 were too warm by previous standards. However the previous days no data was posted for Sols 873 to 879, so it is possible that the instrumentation was down or the signals were blocked. If so, this data for Sol 880 might be only partial for that sol and not include the true low. Should that be the case, a change to N/A would be both necessary and fully justified. The REMSTeam and JPL should include such concerns with the reports they publish. Failure to do so casts further doubt on their credibility. The right below is what they presented to the public the next day, After we duplicated the questionable temperatures, JPL revised them down appreciably and raised the pressure a good bit too.

Figure 4 - REMS Team and JPL continue to revise data after we highlight anomalies.

Figure 5 - Mistakes and significant data alterations early on cast real doubt on the accuracy or honesty of MSL weather data.

FIGURE 6 - REMS TEMPORARILY REVISES (TRASHES) ALL ITS PRESSURE DATA AFTER 954 SOLS. They did this while we were was in the process of transferring their data to my data base. Soon (within 12 hours) after we posted the chart below, they reverted to their previous daily reports. REMS has often reacted quickly to the data that we post.