Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 17%

05:08

12:09

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:12, Set: 17:27, Transit: 12:21. Moon - Rise: 05:08, Set: 12:09. Civil Dark: 18:01 - 06:38. Nautical Dark: 18:40 - 05:59. Astro Dark: 19:18 - 05:21

Total Clouds (% Sky Obscured)

81
90
93
98
100
100
95
72
77
58
7
2
2
1
3
4
27
71
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

62
31
23
20
84
99
11
16
19
21
6
2
2
1
1
2
1
0
0
0
0
0
26
16

Medium Clouds (% Sky Obscured)

56
27
37
70
100
98
78
70
74
52
2
0
0
0
0
0
0
14
5
0
0
41
84
100

High Clouds (% Sky Obscured)

9
85
90
95
95
79
93
2
0
0
0
0
0
0
3
2
26
70
100
100
99
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
6
4
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
-
0
-
0
-
0
0
0
0
0
0
-
0
-
0
-
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

40
45
37
36
39
49
90
44
76
32
37
11
6
0
0
0
0
3
0
0
0
5
12
22

Precipitation Amount (mm)

0.15
0.16
0.18
0.21
0.32
0.59
0.63
0.51
0.54
0.12
0.21
0.03
0.01
0
0
0
0
0
0
0
0
0.08
0.03
0.08

Wind Speed/Direction (mph)

20
21
21
20
19
18
16
18
18
17
17
16
15
14
14
13
12
11
11
10
10
10
11
12

Chance of Frost

Temperature (°C)

7
7
8
8
8
7
7
6
6
5
5
4
4
4
3
3
3
3
3
3
4
4
4
5

Feels Like (°C)

2
3
3
4
4
3
2
2
1
1
0
-0
-1
-1
-1
-1
-1
-1
-1
-1
-0
0
0
1

Dew Point (°C)

4
5
5
5
5
5
5
5
4
3
3
2
2
1
1
1
1
0
0
1
1
2
2
4

Relative Humidity (%)

85
83
81
81
83
89
90
91
89
86
86
86
86
85
83
82
83
85
83
83
85
86
89
93

Pressure (mb)

1019
1019
1018
1017
1017
1016
1016
1016
1016
1017
1018
1018
1019
1019
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

374
373
370
369
371
377
380
379
378
376
373
370
365
360
354
348
346
340
333
333
329
328
326
324

Thursday 20

Waning Crescent 10%

05:57

13:00

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:10, Set: 17:28, Transit: 12:20. Moon - Rise: 05:57, Set: 13:00. Civil Dark: 18:03 - 06:36. Nautical Dark: 18:41 - 05:57. Astro Dark: 19:20 - 05:19

Total Clouds (% Sky Obscured)

100
95
100
100
100
99
99
98
100
99
98
97
99
91
78
64
93
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

91
13
99
95
27
5
26
77
100
88
60
27
80
32
19
52
92
100
100
100
98
94
100
98

Medium Clouds (% Sky Obscured)

100
93
98
99
82
95
88
10
43
43
29
20
27
19
20
38
31
79
98
92
96
100
100
100

High Clouds (% Sky Obscured)

98
32
94
97
98
96
96
97
97
98
97
96
95
87
71
27
6
16
13
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

31
36
37
36
33
24
10
4
0
0
0
4
6
8
9
11
12
13
16
18
14
24
69
82

Precipitation Amount (mm)

0.15
0.18
0.19
0.17
0.13
0.07
0.04
0.02
0
0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.07
0.05
0.08
0.29
0.8

Wind Speed/Direction (mph)

13
14
15
16
16
17
17
18
18
18
19
19
19
20
20
20
21
21
21
22
23
24
26
27

Chance of Frost

Temperature (°C)

5
6
6
7
7
7
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9

Feels Like (°C)

1
1
2
3
3
3
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
4

Dew Point (°C)

4
5
5
6
6
6
6
7
6
6
6
6
6
6
7
7
7
7
7
8
8
8
8
8

Relative Humidity (%)

94
95
95
94
93
92
91
92
91
90
89
88
88
88
88
89
89
89
89
90
91
91
94
98

Pressure (mb)

1021
1021
1020
1019
1018
1017
1016
1015
1015
1015
1014
1014
1013
1012
1011
1010
1009
1009
1008
1007
1007
1006
1006
1005

Ozone (du)

322
321
321
320
318
315
312
312
313
313
314
314
314
315
316
316
315
313
312
312
312
313
314
317

Friday 21

Waning Crescent 5%

06:36

13:58

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 OK
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:08, Set: 17:30, Transit: 12:20. Moon - Rise: 06:36, Set: 13:58. Civil Dark: 18:04 - 06:34. Nautical Dark: 18:43 - 05:56. Astro Dark: 19:22 - 05:17

Total Clouds (% Sky Obscured)

100
100
100
19
24
5
0
0
0
0
0
27
0
0
2
24
44
45
64
89
55
48
98
100

Low Clouds (% Sky Obscured)

31
15
20
17
14
4
0
0
0
0
0
0
0
0
2
24
44
41
55
74
27
28
2
11

Medium Clouds (% Sky Obscured)

100
100
100
13
20
1
0
0
0
0
0
0
0
0
0
0
6
13
30
78
1
4
34
45

High Clouds (% Sky Obscured)

9
97
98
0
0
0
0
0
0
0
0
27
0
0
0
0
0
1
23
24
47
35
98
100

ISS Passover

Visibility (miles)

7
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

84
79
53
44
31
19
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.19
1
0.57
0.29
0.14
0.05
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

28
26
24
21
20
18
17
16
15
15
14
14
13
12
11
11
11
12
12
14
16
18
20
21

Chance of Frost

Temperature (°C)

8
7
6
5
5
4
4
3
3
3
3
3
3
3
3
3
3
3
3
4
4
5
5
7

Feels Like (°C)

3
2
1
-0
-1
-1
-2
-2
-1
-1
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-0
1
2

Dew Point (°C)

7
6
4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
3
3
4

Relative Humidity (%)

98
93
86
81
79
78
79
79
79
79
80
81
82
83
84
84
85
86
87
89
89
88
86
84

Pressure (mb)

1006
1007
1009
1011
1013
1015
1017
1018
1019
1020
1021
1022
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

324
339
358
374
383
387
390
393
394
393
386
376
367
361
356
352
347
343
340
339
339
340
340
341

Saturday 22

Waning Crescent 1%

07:07

15:03

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:06, Set: 17:32, Transit: 12:20. Moon - Rise: 07:07, Set: 15:03. Civil Dark: 18:06 - 06:32. Nautical Dark: 18:45 - 05:54. Astro Dark: 19:24 - 05:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
95
95
95
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

27
27
27
27
27
27
55
55
55
55
55
55
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

61
61
61
61
61
61
6
6
6
6
6
6
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
90
90
90
90
90
90
90
90
90
90
90
90
2
2
2
2
2
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
3
0
0
0
0
0
0
4
7
13
16
18
22
20
12
7
5
4

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0
0
0
0
0
0
0.03
0.1
0.17
0.22
0.26
0.26
0.19
0.11
0.06
0.05
0.04

Wind Speed/Direction (mph)

22
22
22
22
21
21
22
22
23
23
24
24
25
25
25
25
25
25
25
24
22
21
21
21

Chance of Frost

Temperature (°C)

7
9
10
10
10
9
9
8
8
8
8
8
9
9
9
10
10
11
11
10
10
9
9
10

Feels Like (°C)

3
4
6
10
6
5
4
4
4
4
4
4
4
4
5
5
10
11
11
10
6
5
6
6

Dew Point (°C)

4
5
5
5
5
4
4
4
4
4
4
4
5
5
6
6
7
8
9
9
8
8
7
7

Relative Humidity (%)

81
77
74
72
72
71
74
75
75
75
75
75
75
77
79
81
83
85
88
90
90
89
87
84

Pressure (mb)

1025
1024
1023
1023
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1019
1019
1020
1021
1021

Ozone (du)

342
343
346
346
345
342
339
337
334
331
328
325
323
321
320
319
317
315
315
316
318
320
320
320

Sunday 23

New Moon 0%

07:32

16:10

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:04, Set: 17:34, Transit: 12:20. Moon - Rise: 07:32, Set: 16:10. Civil Dark: 18:08 - 06:30. Nautical Dark: 18:47 - 05:52. Astro Dark: 19:25 - 05:13

Total Clouds (% Sky Obscured)

61
61
61
61
61
61
81
81
81
81
81
81
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
45
45
45
45
45
2
2
2
2
2
2
13
13
13
13
13
13
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
16
16
16
16
16
16
2
2
2
2
2
2
10
10
10
10
10
10

High Clouds (% Sky Obscured)

49
49
49
49
49
49
80
80
80
80
80
80
100
100
100
100
100
100
69
69
69
69
69
69

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
10
10
10
9
9
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

3
3
0
0
0
3
4
3
0
4
7
17
32
37
38
45
56
66
71
71
69
63
51
30

Precipitation Amount (mm)

0.03
0.01
0
0
0
0.01
0.01
0.01
0
0.01
0.05
0.21
0.37
0.32
0.25
0.29
0.43
0.64
0.78
0.76
0.68
0.6
0.42
0.22

Wind Speed/Direction (mph)

22
22
22
22
22
20
19
18
17
16
16
17
17
18
20
21
23
25
27
27
27
27
25
22

Chance of Frost

Temperature (°C)

10
10
10
9
9
9
9
9
9
9
9
9
9
9
10
10
11
12
12
12
12
12
11
11

Feels Like (°C)

6
6
6
5
5
5
5
5
5
5
5
6
6
6
6
10
11
12
12
12
12
12
11
11

Dew Point (°C)

7
6
6
6
5
5
5
5
5
5
5
5
6
7
8
8
9
10
11
11
11
11
10
9

Relative Humidity (%)

81
80
79
78
77
76
76
76
75
76
77
78
80
83
86
88
89
90
91
92
93
93
94
93

Pressure (mb)

1022
1022
1022
1022
1022
1022
1023
1023
1022
1022
1022
1021
1020
1019
1018
1016
1016
1015
1015
1014
1015
1015
1016
1017

Ozone (du)

320
321
323
325
327
330
333
336
340
342
343
343
343
342
341
340
339
339
340
342
344
347
349
351

Monday 24

Waxing Crescent 0%

07:53

17:18

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:02, Set: 17:36, Transit: 12:20. Moon - Rise: 07:53, Set: 17:18. Civil Dark: 18:10 - 06:28. Nautical Dark: 18:48 - 05:50. Astro Dark: 19:27 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
99
99
99
99
77
77
77
77
77
77
65
65
65
65
65
65

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
97
97
97
97
97
97
77
77
77
77
77
77
65
65
65
65
65
65

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
85
85
85
85
85
81
81
81
81
81
81
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
7
8
7
6
5
4
3
0
0
3
2
2
2
2
2
2
2
0
0
1
1
4
5

Precipitation Amount (mm)

0.11
0.08
0.07
0.05
0.04
0.03
0.02
0.01
0
0
0.01
0.03
0.06
0.05
0.04
0.02
0.01
0.01
0
0
0.01
0.02
0.03
0.05

Wind Speed/Direction (mph)

20
20
20
19
16
13
10
8
8
7
7
7
8
8
9
11
12
14
16
17
19
20
21
23

Chance of Frost

Temperature (°C)

10
10
9
9
8
7
6
6
6
6
5
5
5
6
6
7
7
7
7
7
7
7
8
9

Feels Like (°C)

10
6
6
5
5
4
3
3
3
3
3
3
2
3
3
4
4
3
3
3
3
3
4
5

Dew Point (°C)

9
7
6
5
4
3
3
3
3
2
2
2
2
2
3
4
4
4
4
4
5
5
6
7

Relative Humidity (%)

90
85
80
76
76
77
78
79
80
80
79
78
78
79
81
81
81
80
81
83
84
86
88
89

Pressure (mb)

1018
1019
1020
1021
1022
1024
1025
1025
1026
1026
1027
1027
1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1017
1016

Ozone (du)

354
358
362
365
365
363
361
360
358
357
358
359
360
358
355
353
352
351
351
350
350
349
348
346

Tuesday 25

Waxing Crescent 1%

08:11

18:26

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:00, Set: 17:38, Transit: 12:20. Moon - Rise: 08:11, Set: 18:26. Civil Dark: 18:11 - 06:26. Nautical Dark: 18:50 - 05:48. Astro Dark: 19:29 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
39
39
39
39
39
39
80
80
80
80
80
80
97
97
97
97
97
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
68
68
68
68
68
68
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

6
5
5
5
4
3
0
0
4
10
19
29
31
20
20
14
9
6
4
0
0
0
0
19

Precipitation Amount (mm)

0.07
0.08
0.08
0.06
0.03
0.01
0
0
0.01
0.03
0.08
0.2
0.27
0.22
0.12
0.06
0.04
0.02
0.01
0
0
0
0
0.03

Wind Speed/Direction (mph)

24
25
26
26
25
24
23
23
23
22
21
19
18
16
14
13
13
14
15
17
18
19
20
21

Chance of Frost

Temperature (°C)

10
11
12
13
12
12
10
10
9
9
9
9
9
8
7
6
5
5
5
5
5
6
6
7

Feels Like (°C)

6
11
12
13
12
12
10
6
5
5
5
5
5
4
3
2
2
1
0
-0
0
1
2
2

Dew Point (°C)

8
9
10
10
9
8
7
7
6
6
6
5
5
4
4
3
2
2
1
1
2
2
2
2

Relative Humidity (%)

89
86
83
81
81
80
80
80
81
81
80
79
78
78
79
79
79
79
79
79
78
76
72
68

Pressure (mb)

1015
1014
1013
1012
1011
1011
1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1005
1005
1006
1006

Ozone (du)

345
346
349
351
352
353
352
349
344
342
344
349
353
356
358
359
359
358
359
364
372
378
382
386

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 19/02/20 08:33:07. Forecast: 19/02/20 to 25/02/20. Timezone: UTC+0.00