MSL YEAR 4 SPRING WEATHER DATA (LS 180 TO 270)

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Updated 8/27/2020

A Fast-Growing Storm. The 2018 Martian Global Dust Storm.

NASA/JPL-Caltech/MSSS

As Opportunity hunkered down for the storm, NASA kept watch from orbit with the Mars Reconnaissance Orbiter. By the second week of June, the storm had grown to cover a quarter of the planet. By June 13, the storm was large enough to reach NASA's Curiosity rover, which was a half a world away exploring Gale Crater.

Space Image Source of images for the 2018 Martian Global Dust Storm: NASA/JPL-Caltech/MSSS. Weather data for MSL during this storm is on Table 1 below.

On Table 1 column subjects and color codings are as follows (Note: JPL calls the first year of MSL on Mars "Year 0," the second year Year 1, the third year Year 2 and the 4th year Year 3):

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 MSL 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.

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

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 CHANGE IN TEMP °C AIR TO GROUND

NIGHTTIME CHANGE IN TEMP °C AIR TO GROUND

PRESSURE AT SAME LS IN MSL YEAR 3

∆ PRESSURE YEAR 4 TO YEAR 3 SAME LS

~LS year 3

PRESSURE YEAR 1 BEFORE REVISION

UV

YR

4

UV

YR

3

MSL YEAR 3 SOL FOR THIS LS/

COMMENTS

MSL Altitude meters below areoid

YELLOW IF <60 °C

GREEN IF<1.5

RED IF

> 0 °C

PURPLE = >-90°C OR COLDER

YELLOW NUMBERS = -80 to -89 °C,

red background = -90°C or colder drop

BLUE = >10°C

PURPLE = >10°C

YELLOW =
> 7 Pa)

2060

180

743

5/23/2018

4

-73

77

1.925

15

-79

-94

11

-6

N/A

N/A

180

N/A

H

N/A

(1392)

-4,192

2061

180

745

5/24/2018

5

-72

77

1.925

15

-81

-96

10

-9

N/A

N/A

181

N/A

H

N/A

(1393)

-4,192

2062

181

745

5/25/2018

2

-72

74

1.85

17

-80

-97

15

-8

N/A

N/A

181

N/A

VH

N/A

(1394)

-4,192

2063

182

748

5/26/2018

3

-71

74

1.85

15

-80

-95

12

-9

N/A

N/A

182

N/A

VH

N/A

(1395)

-4,192

2064

182

748

5/27/2018

4

-71

74

1.85

18

-78

-96

14

-7

N/A

N/A

182

N/A

VH

N/A

(1396)

-4,192

2065

183

750

5/28/2018

2

-71

73

1.825

16

-81

-97

14

-10

N/A

N/A

183

N/A

VH

N/A

(1397)

-4,192

2066

183

751

5/29/2018

2

-72

74

1.85

16

-85

-101

14

-13

751

0

184

N/A

VH

H

(1398)

-4,192

2067

184

750

5/30/2018

3

-74

77

1.925

16

-80

-96

13

-6

770

-20

184

N/A

VH

H

(1399)

-4,192

2068

185

752

5/31/2018

4

-69

73

1.825

16

-78

-94

12

-9

770

-18

185

N/A

VH

H

(1400)

-4,192

2069

185

756

6/1/2018

4

-71

75

1.875

16

-84

-100

12

-13

770

-14

185

N/A

H

H

(1401)

-4,192

2070

186

757

6/2/2018

3

-70

73

1.825

16

-79

-95

13

-9

771

-14

186

N/A

VH

H

(1402)

-4,192

2071

186

755

6/4/2018

4

-71

75

1.875

17

-79

-96

13

-8

775

-20

187

N/A

VH

VH

(1403)

-4,192

2072

187

758

6/5/2018

6

-71

77

1.925

17

-80

-97

11

-9

774

-16

187

N/A

VH

H

(1404)

-4,192

2073

187

756

6/6/2018

7

-74

81

2.025

18

-77

-95

11

-3

775

-19

188

N/A

VH

VH

(1405)

-4,192

2074

188

758

6/7/2018

6

-70

76

1.9

17

-75

-92

11

-5

775

-17

188

N/A

VH

H

(1406)

-4,192

2075

189

762

6/8/2018

3

-69

72

1.8

15

-79

-94

12

-10

779

-17

189

N/A

H

H

(1407)

-4,192

2076

189

764

6/9/2018

3

-71

74

1.85

13

-72

-85

10

-1

779

-15

190

N/A

H

H

(1408)

-4,192

2077

190

765

6/10/2018

0

-69

69

1.725

12

-70

-82

12

-1

781

-16

190

N/A

H

H

(1409)

-4,192

2078

190

766

6/11/2018

1

-73

74

1.85

10

-71

-81

9

+2

782

-16

191

N/A

H

H

(1410)

-4,192

2079

191

767

6/12/2018

2

-68

70

1.75

11

-69

-80

9

-1

782

-15

191

N/A

H

H

(1411)

-4,192

2080

192

768

6/13/2018

2

-67

69

1.725

11

-70

-81

9

-3

782

-14

192

N/A

H

H

(1412)

-4,192

2081

192

770

6/14/2018

Dust storm

-3

-69

66

1.65

6

-71

-77

9

-2

784

-14

193

N/A

M

H

(1413)

-4,192

2082

193

768

6/15/201

Dust storm

-15

-64

49

1.225

0

-64

-64

15

0

785

-17

193

N/A

L

H

(1414)

-4,192

2083

194

769

6/16/2018

Dust storm

-14

-63

49

1.225

-1

-63

-62

13

0

787

-18

194

N/A

L

H

(1415)

-4,192

2084

194

771

6/17/2018

Dust storm

-21

-65

44

1.1

-14

-58

-44

7

+7

791

-20

194

N/A

L

H

(1416)

-4,192

2085

195

772

6/18/2018

Dust storm

-24

-58

34

0.85

-17

-56

-39

7

+2

791

-19

195

N/A

L

H

(1417)

-4,192

2086

195

776

6/19/2018

Dust storm

-25

-57

32

0.8

-17

-58

-41

8

-1

793

-17

196

N/A

L

H

(1418)

-4,191

2087

196

780

6/20/2018

Dust storm

-28

-59

31

0.775

-15

-57

-42

13

+2

793

-13

196

N/A

L

H

(1419)

-4,192

2088

196

778

6/21/2018

Dust storm

-24

-58

34

0.85

-16

-58

-42

8

0

793

-15

197

N/A

L

H

(1420)

-4,193

2089

197

779

6/22/2018

Dust storm

-26

-59

33

0.825

-15

-59

-44

11

0

797

-18

197

N/A

L

H

(1421)

-4,192

2090

198

778

6/23/2018

Dust storm

-23

-61

38

0.95

-14

-61

-47

9

0

800

-22

198

N/A

L

H

(1422)

-4,193

2091

198

779

6/24/2018

Dust storm

-22

-63

41

1.025

-13

-60

-47

9

+3

800

-21

199

N/A

L

H

(1423)

2092

199

781

6/25/2018

Dust storm

-24

-67

43

1.075

-12

-62

-50

12

+5

803

-22

199

N/A

L

H

(1424)

-4,186

2093

199

780

6/26/2018

Dust storm

-24

-63

39

0.975

-14

-60

-46

10

+3

804

-24

200

N/A

L

H

(1425)

2094

200

783

6/27/2018

Dust storm

-27

-61

34

0.85

-17

-60

-43

10

+1

803

-20

200

N/A

L

H

(1426)

-4,177

2095

201

784

6/28/2018

Dust storm

-25

-61

36

0.9

-17

-60

-43

8

+1

807

-23

201

N/A

L

VH

(1427)

-4,171

2096

201

788

6/29/2018

Dust storm

-22

-63

41

1.025

-15

-59

-44

7

+4

808

-20

202

N/A

L

VH

(1428)

2097

202

789

6/30/2018

Dust storm

-23

-60

37

0.925

-16

-59

-43

7

+1

810

-21

202

N/A

L

VH

(1429)

2098

203

791

7/1/2018

Dust storm

-23

-61

38

0.95

-17

-59

-42

6

+2

810

-19

203

N/A

L

H

(1430)

-4,165

2099

203

791

7/2/2018

Dust storm

-25

-61

36

0.9

-16

-58

-42

9

+3

811

-20

204

N/A

L

H

(1431)

2100

204

797

7/3/2018

Dust storm

-29

-61

32

0.8

-24

-59

-35

5

+2

813

-16

204

N/A

L

H

(1432)

2101

204

796

7/4/2018

Dust storm

-23

-61

38

0.95

-16

-59

-43

7

+2

821

-25

205

N/A

L

H

(1433)

2102

205

797

7/5/2018

Dust storm

-22

-60

38

0.95

-14

-59

-45

8

+1

820

-23

205

N/A

L

H

(1434)

-4,163

2103

205

797

7/6/2018

Dust storm

-26

-58

32

0.8

-16

-58

-42

10

0

824

-27

206

N/A

L

H

(1435)

2104

206

797

7/7/2018

Dust storm

-23

-59

36

0.9

-15

-58

-43

8

+1

824

-27

206

N/A

L

H

(1436)

-4,165

2105

207

802

7/8/2018

Dust storm

-25

-61

36

0.9

-15

-59

-44

10

+2

821

-19

207

N/A

L

H

(1437)

2106

208

803

7/9/2018

Dust storm

-27

-63

36

0.9

-16

-59

-43

11

+4

823

-20

208

N/A

L

H

(1438)

2107

208

807

7/11/2018

Dust storm

-21

-65

44

1.1

-15

-59

-44

6

+6

828

-21

208

N/A

L

H

(1439)

-4,164

2108

209

806

7/12/2018

Dust storm

-24

-65

41

1.025

-15

-58

-43

9

+7

828

-22

209

N/A

L

H

(1440)

-4,164

2109

209

809

7/13/2018

Dust storm

-22

-66

44

1.1

-12

-60

-48

10

+6

828

-19

210

N/A

L

H

(1441)

2110

210

810

7/14/2018

Dust storm

-20

-59

39

0.975

-12

-59

-47

8

0

829

-19

210

N/A

L

H

(1442)

2111

211

813

7/15/2018

Dust storm

-20

-67

47

1.175

-12

-60

-48

8

+7

831

-18

211

N/A

L

H

(1443)

2112

211

813

7/16/2018

Dust storm

-11

-63

52

1.3

-11

-60

-49

0

+3

833

-19

212

N/A

L

H

(1444)

2113

212

815

7/17/2018

Dust storm

-20

-62

42

1.05

-11

-60

-49

9

+2

836

-21

212

N/A

L

H

(1445)

2114

213

816

7/18/2018

Dust storm

-19

-61

42

1.05

-10

-60

-50

9

+1

841

19

213

N/A

L

H

(1446)

2115

213

818

7/19/2018

Dust storm

-21

-61

40

1.0

-12

-60

-48

9

+1

841

-25

214

N/A

L

H

(1447)

2116

214

820

7/20/2018

Dust storm

-21

-62

41

1.025

-10

-60

-50

11

+2

841

-21

214

N/A

L

H

(1448)

-4,159

2117

214

822

7/21/2018

Dust storm

-19

-64

43

1.075

-8

-61

-53

11

+3

841

-19

215

N/A

L

H

(1449)

2118

215

822

7/22/2018

Dust storm

-19

-68

49

1.225

-10

-62

-52

11

+6

842

-20

215

N/A

L

H

(1450)

2119

216

824

7/23/2018

Dust storm

-16

-69

53

1.325

-8

-62

-54

8

+7

842

-18

216

N/A

L

H

(1451)

-4,159

2120

216

828

7/24/2018

Dust storm

-16

-67

51

1.275

-8

-61

-53

8

+6

845

-17

217

N/A

L

H

(1452)

2121

217

829

7/25/2018

Dust storm

-18

-62

44

1.1

-8

-62

-54

10

0

850

-21

217

N/A

L

VH

(1453)

2122

218

830

7/26/2018

Dust storm

-14

-63

49

1.225

-6

-62

-56

8

+1

854

-24

218

N/A

L

H

(1454)

2123

218

831

7/27/2018

Dust storm

-18

-68

50

1.25

-6

-63

-57

12

+5

858

-27

219

N/A

L

H

(1455)

2124

219

832

7/28/2018

Dust storm

-17

-67

50

1.25

-6

-62

-56

11

+5

859

-27

220

N/A

L

H

(1456)

2125

219

834

7/29/2018

Dust storm

-17

-66

49

1.225

-7

-62

-55

10

+4

860

-26

220

N/A

L

H

(1457)

2126

220

837

7/30/2018

Dust storm

-18

-63

45

1.125

-8

-63

-55

10

0

859

-22

220

N/A

L

H

(1458)

-4,163

2127

221

838

7/31/2018

Dust storm

-18

-69

51

1.275

-7

-64

-57

11

+5

861

-23

221

N/A

L

H

(1459)

2128

221

841

8/1/2018

Dust storm

-20

-65

45

1.125

-7

-62

-55

13

+3

865

-24

222

N/A

L

H

(1460)

-4,169

2129

222

843

8/2/2018

Dust Storm

-21

-66

45

1.125

-7

-63

-56

14

+3

870

-27

222

N/A

L

H

(1461)

2130

223

844

8/3/2018 Dust storm

-18

-62

44

1.1

-7

-63

-56

11

-1

871

-25

223

N/A

L

H

(1462)

2131

223

846

8/4/2018 Dust storm

-21

-67

46

1.15

-6

-63

-57

15

+4

871

-24

223

N/A

L

H

(1463)

2132

224

847

8/5/2018

Dust Storm

-16

-69

53

1.325

-4

-64

-60

12

+5

871

-24

224

N/A

L

H

(1464)

-4,170

2133

225

849

8/6/2018

Dust Storm

-18

-65

47

1.175

-3

-65

-62

15

0

870

-21

225

N/A

L

H

(1465)

2134

225

851

8/7/2018

Dust Storm

-14

-65

51

1.275

-3

-66

-63

11

-1

873

-22

226

N/A

L

H

(1466)

2135

226

854

8/8/2018

Dust Storm

-15

-66

51

1.275

-3

-66

-63

12

0

877

-23

226

N/A

L

H

(1467)

2136

227

856

8/9/2018

Dust Storm

-13

-66

53

1.325

-3

-65

-62

10

+1

879

-23

227

N/A

L

H

(1468)

2137

227

867

8/10/2018

Dust Storm

-13

-66

53

1.325

-2

-70

-68

11

-4

881

-14

228

N/A

L

H

(1469)

2138

228

858

8/11/2018

Dust Storm

-16

-68

52

1.3

-2

-65

-63

14

+3

879

-21

228

N/A

L

M

(1470)

2139

228

857

8/12/2018

Dust Storm

-11

-70

59

1.475

-1

-66

65

10

+4

880

-23

229

N/A

L

M

(1471)

2140

229

858

8/13/2018

Dust Storm Ends?

-10

-70

60

1.5

0

-67

67

10

+3

879

-21

229

N/A

M

M

(1472)

2141

230

863

8/14/2018

-17

-66

49

1.225

0

-71

71

17

-5

881

-18

230

N/A

M

M

(1473)

2142

230

865

8/15/2018

-10

-71

61

1.525

-1

-67

66

9

+4

889

-24

231

N/A

L

M

(1474)

2143

231

865

8/17/2018

-12

-71

59

1.475

0

-67

67

12

+4

890

-25

231

N/A

M

M

(1475)

2144

232

867

8/18/2018

-11

-67

56

1.4

1

-69

71

12

-2

888

-21

232

N/A

L

H

(1476)

-4,181

2145

232

868

8/19/2018

-10

-66

56

1.4

0

-66

66

10

0

888

-20

233

N/A

L

H

(1477)

2146

233

870

8/20/2018

-10

-67

57

1.425

1

-67

68

11

0

887

-17

233

N/A

M

M

(1478)

2147

233

870

8/21/2018

-15

-68

53

1.325

0

-67

67

15

+1

890

-20

234

N/A

L

M

(1479)

2148

234

872

8/22/2018

-13

-67

54

1.35

2

-67

69

15

0

893

-21

235

N/A

M

H

(1480)

2149

235

874

8/23/2018

-10

-68

58

1.45

2

-68

70

12

0

893

-19

235

N/A

M

H

(1481)

2150

236

874

8/24/2018

-11

-68

57

1.425

1

-68

69

12

0

893

-19

236

N/A

M

H

(1482)

2151

236

876

8/25/2018

-12

-66

54

1.35

2

-68

70

14

-2

895

-19

237

N/A

M

H

(1483)

2152

237

878

8/26/2018

-10

-69

59

1.475

3

-68

71

13

+1

899

-21

237

N/A

M

H

(1484)

2153

237

880

8/27/2018

-10

-68

58

1.45

3

-67

70

13

+1

899

-19

238

N/A

M

H

(1485)

2154

238

878

8/28/2018

-10

-73

63

1.575

2

-68

70

12

+5

901

-23

239

N/A

M

H

(1486)

2155

239

878

8/29/2018

-12

-76

64

1.6

3

-68

71

15

+8

901

-23

239

N/A

M

H

(1487)

2156

239

879

8/30/2018

-6

-71

65

1.625

1

-68

69

7

+3

902

-23

240

N/A

M

VH

(1488)

-4,162

2157

240

877

8/31/2018

-5

-67

62

1.55

2

-66

68

7

+1

903

-26

240

N/A

M

H

(1489)

2158

241

880

9/1/2018

-7

-67

60

1.5

3

-67

70

10

0

904

-24

241

N/A

M

H

(1490)

-4,156

2159

241

883

9/2/2018

-10

-68

58

1.45

3

-68

71

13

0

906

-23

242

N/A

M

H

(1491)

2160

242

885

9/3/2018

-8

-68

60

1.5

3

-69

72

11

-1

910

-25

242

921

M

H

(1492)

2161

243

884

9/4/2018

-5

-68

63

1.575

10

-69

79

15

-1

904

-20

243

N/A

M

H

(1493)

-4,151

2162

243

885

9/5/2018

-5

-69

64

1.6

4

-69

73

9

0

904

-19

244

N/A

M

H

(1494)

2163

244

886

9/6/2018

-5

-70

65

1.625

3

-68

71

8

+2

903

-17

244

N/A

M

H

(1495)

-4,150

2164

245

886

9/7/2018

-8

-68

60

1.5

3

-73

76

11

-5

904

-18

245

N/A

M

H

(1496)

2165

245

887

9/8/2018

-10

-70

60

1.5

4

-77

81

14

-7

909

-22

246

M

H

(1497)

2166

246

887

9/9/2018

-10

-72

62

1.55

5

-69

74

15

+3

907

-20 (was 10)

246

897

M

L then H

(1498)

-4,150

2167

247

885

9/10/2018

-12

-73

61

1.525

5

-69

74

17

+4

903

-18

247

N/A

M

VH

(1499)

2168

247

889

9/11/2018

-13

-69

56

1.4

5

-70

75

18

-1

903

-14

248

N/A

M

VH

(1500)

2169

248

882

9/12/2018

-10

70

60

1.5

5

-69

74

15

+1

903

-21

248

N/A

M

H

(1501)

2170

249

886

9/13/2018

-12

-68

56

1.4

4

-69

73

16

-1

907

-21 (was 42)

249

928

M

L then H

(1502)

2171

249

879

9/14/2018

-12

-65

53

1.325

5

-64

69

17

+1

909

-30

249

N/A

M

H

(1503)

2172

Issue on Curiosity preventing it from sending science and engineering data

910

250

N/A

H

(1504)

Engineers at JPL are working to address an issue on Curiosity that is preventing it from sending science and engineering data stored in its memory.

2173

906

251

N/A

H

(1505)

2174

907

252

N/A

H

(1506)

2175

907

252

N/A

VH

(1507)

2176

907

253

N/A

VH

(1508)

2177

910

254

N/A

H

(1509)

2178

908

254

N/A

H

(1510)

2179

908

255

N/A

VH

(1511)

2180

908

255

N/A

VH

(1512)

2181

906

256

N/A

H

(1513)

2182

907

257

N/A

H

(1514)

2183

906

257

N/A

H

(1515)

2184

909

258

N/A

H

(1516)

2185

911

259

N/A

H

(1517)

2186

909

259

N/A

H

(1518)

2187

906

260

N/A

H

(1519)

2189

905

261

N/A

H

(1520)

2190

905

261

N/A

H

(1521)

2191

905

262

N/A

H

(1522)

2192

905

263

N/A

H

(1523)

2193

904

263

N/A

H

(1524)

2194

902

264

N/A

H

(1525)

2195

900

265

N/A

VH

(1526)

2196

900

265

N/A

H

(1527)

2197

891

266

N/A

H

(1528)

2198

900

267

N/A

H

(1529)

2199

899

267

N/A

H

(1530)

2200

900

268

N/A

H

(1531)

2201

900

268

N/A

M

(1532)

2202

896

269

N/A

H

(1533)

2203

Issue on Curiosity preventing it from sending science and engineering data. Spring ends, summer begins.

898

270

N/A

H

(1534)

2204

271

854

10/182018

-14

-56

42

1.05

7

-60

67

21

-4

900

-46

270

N/A

M

H

(1535)

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

CHANGE

IN TEMP

°C AIR

TO GROUND

NIGHTTIME

CHANGE

IN TEMP

°C AIR TO

GROUND

PRESSURE AT SAME LS IN MSL LAST YEAR

∆ PRESSURE LAST YEAR TO THIS YEAR SAME LS

~LS Last Year

PRESSURE LAST YEAR BEFORE REVISION

UV YR 4

UV YR 3)