Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 66%

02:01

10:19

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

Sun - Rise: 05:58, Set: 20:25, Transit: 13:12. Moon - Rise: 02:01, Set: 10:19. Civil Dark: 21:01 - 05:22. Nautical Dark: 21:47 - 04:36. Astro Dark: 22:41 - 03:42

Total Clouds (% Sky Obscured)

11
98
98
93
77
98
95
92
63
84
68
77
60
46
58
35
36
27
13
32
29
14
4
1

Low Clouds (% Sky Obscured)

5
81
66
92
76
86
15
20
17
34
21
70
17
38
16
16
13
20
13
23
18
9
4
1

Medium Clouds (% Sky Obscured)

3
86
95
41
36
18
1
17
29
59
18
12
11
6
15
29
22
20
6
7
16
9
2
0

High Clouds (% Sky Obscured)

6
90
4
0
3
92
95
91
48
66
58
26
52
11
48
9
19
0
0
14
12
2
0
0

ISS Passover

Visibility (miles)

5
5
8
7
6
9
5
10
9
8
6
2
0
4
9
10
10
8
7
7
7
8
10
10

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

35
99
100
100
69
100
26
14
12
100
100
76
100
43
29
16
14
12
9
7
4
0
0
0

Precipitation Amount (mm)

0.1
0.36
0.41
1.05
0.63
0.31
0.1
0.07
0.06
0.45
0.57
0.4
0.7
0.41
0.28
0.13
0.1
0.05
0.02
0.02
0.01
0
0
0

Wind Speed/Direction (mph)

10
12
14
13
13
16
16
20
14
17
17
10
7
13
16
16
18
14
15
14
13
10
8
6

Chance of Frost

Temperature (°C)

9
11
11
10
11
10
10
10
11
11
12
12
10
13
13
15
14
15
14
13
12
10
9
9

Feels Like (°C)

7
11
11
7
11
10
10
6
11
11
12
12
10
13
13
15
14
15
14
13
12
10
8
7

Dew Point (°C)

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

Relative Humidity (%)

91
85
84
89
89
88
87
92
81
81
80
72
74
75
72
78
65
55
60
71
77
80
77
77

Pressure (mb)

993
992
991
991
990
990
990
991
992
993
994
995
996
997
997
998
999
999
1000
1000
1001
1002
1003
1004

Ozone (du)

395
390
396
397
397
396
394
403
404
404
404
404
404
390
393
395
397
398
399
403
403
403
402
400

Friday 26

Third Quarter 57%

02:47

11:16

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

Sun - Rise: 05:56, Set: 20:26, Transit: 13:11. Moon - Rise: 02:47, Set: 11:16. Civil Dark: 21:03 - 05:20. Nautical Dark: 21:49 - 04:34. Astro Dark: 22:44 - 03:39

Total Clouds (% Sky Obscured)

2
5
11
18
57
81
83
89
97
62
98
100
100
99
95
100
99
98
98
98
99
100
100
43

Low Clouds (% Sky Obscured)

2
4
6
6
6
3
7
6
24
29
88
60
96
96
51
98
98
94
95
69
77
100
90
4

Medium Clouds (% Sky Obscured)

0
2
8
13
16
9
0
64
95
55
95
100
99
92
53
85
41
80
95
98
98
91
99
42

High Clouds (% Sky Obscured)

0
0
0
7
52
80
82
85
77
2
62
3
0
79
90
70
81
74
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
7
3
4
7
8
8
7
7
9
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
2
4
7
15
24
33
36
24
17
15
10
9
11
34
40
30
25
26
17

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.04
0.07
0.09
0.13
0.22
0.22
0.1
0.06
0.05
0.01
0.01
0.03
0.14
0.27
0.23
0.16
0.37
0.08

Wind Speed/Direction (mph)

6
6
6
6
6
6
7
8
9
12
13
14
15
15
16
16
17
17
18
19
19
20
20
20

Chance of Frost

Temperature (°C)

8
8
7
7
7
7
7
8
10
11
12
13
13
13
14
15
15
14
13
12
12
11
11
10

Feels Like (°C)

6
6
5
5
5
5
5
6
7
11
12
13
13
13
14
15
15
14
13
12
12
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

80
84
85
86
86
87
87
84
80
76
74
73
71
68
64
58
55
58
63
69
71
72
70
70

Pressure (mb)

1004
1005
1005
1005
1006
1006
1006
1007
1007
1008
1008
1009
1010
1010
1011
1011
1011
1011
1010
1010
1009
1008
1008
1008

Ozone (du)

397
394
393
393
392
389
385
381
377
373
369
365
362
361
363
366
369
372
374
378
381
385
390
396

Saturday 27

Waning Crescent 47%

03:24

12:17

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

Sun - Rise: 05:55, Set: 20:28, Transit: 13:11. Moon - Rise: 03:24, Set: 12:17. Civil Dark: 21:04 - 05:18. Nautical Dark: 21:51 - 04:31. Astro Dark: 22:46 - 03:36

Total Clouds (% Sky Obscured)

13
52
74
81
98
77
98
98
99
100
98
98
99
99
45
41
26
5
5
2
66
92
86
46

Low Clouds (% Sky Obscured)

5
41
48
25
91
71
91
85
87
55
29
69
23
9
33
23
17
5
2
0
0
0
1
2

Medium Clouds (% Sky Obscured)

11
37
70
79
96
38
96
95
99
100
98
98
99
99
41
35
22
1
3
2
2
1
13
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
65
92
84
40

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
Light Rain
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
None

Precipitation Probability (%)

11
6
18
25
26
30
30
27
24
20
18
16
13
6
4
3
4
3
2
2
0
0
0
0

Precipitation Amount (mm)

0.04
0.03
0.05
0.36
0.65
0.94
0.94
0.71
0.54
0.42
0.27
0.28
0.23
0.04
0.02
0.01
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

22
24
25
26
28
29
28
28
28
28
28
28
28
28
27
26
26
24
23
21
19
17
15
14

Chance of Frost

Temperature (°C)

10
9
9
9
8
8
8
8
8
9
10
11
12
13
14
14
14
14
13
12
12
11
10
9

Feels Like (°C)

6
5
5
4
3
3
3
3
3
4
5
11
12
13
14
14
14
14
13
12
12
11
10
6

Dew Point (°C)

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

Relative Humidity (%)

68
66
65
64
65
65
64
63
62
61
60
56
52
48
46
46
47
49
52
54
57
59
61
64

Pressure (mb)

1008
1007
1007
1007
1007
1008
1009
1010
1012
1013
1014
1015
1016
1017
1018
1018
1019
1020
1020
1020
1021
1022
1023
1023

Ozone (du)

402
408
411
413
415
417
418
418
413
407
401
399
398
398
398
399
398
397
394
391
390
388
387
385

Sunday 28

Waning Crescent 37%

03:54

13:21

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

Sun - Rise: 05:53, Set: 20:29, Transit: 13:11. Moon - Rise: 03:54, Set: 13:21. Civil Dark: 21:06 - 05:16. Nautical Dark: 21:53 - 04:29. Astro Dark: 22:49 - 03:33

Total Clouds (% Sky Obscured)

69
26
8
48
87
85
23
32
32
32
32
32
32
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
1
2
2
4
4
3
3
3
3
3
3
3
100
100
100
100
100
100
99
99
99
99
99

Medium Clouds (% Sky Obscured)

6
16
6
5
2
0
7
27
27
27
27
27
27
100
100
100
100
100
100
73
73
73
73
73

High Clouds (% Sky Obscured)

66
12
1
46
87
84
17
6
6
6
6
6
6
88
88
88
88
88
88
81
81
81
81
81

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
10
10
10
10
9
6
5
5
4
4
3
3
3

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

Precipitation Probability (%)

0
0
0
0
0
3
5
8
12
17
17
13
8
2
7
16
26
39
48
53
51
40
22
15

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.02
0.04
0.05
0.07
0.07
0.05
0.01
0.01
0.01
0.05
0.13
0.24
0.4
0.49
0.42
0.27
0.17
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
9
9
10
11
13
14
15
16
16
16
15
15
14
13
13
12
11

Feels Like (°C)

6
6
6
6
6
6
7
7
8
10
11
13
14
15
16
16
16
15
15
14
13
13
12
11

Dew Point (°C)

3
3
4
4
4
5
5
6
6
7
8
8
9
9
9
9
9
9
9
9
9
9
8
8

Relative Humidity (%)

66
68
69
71
73
76
78
80
82
83
79
73
69
67
62
64
66
68
69
70
73
76
80
82

Pressure (mb)

1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

384
382
381
380
378
377
376
375
374
373
372
371
369
368
367
365
364
363
362
361
361
361
361
362

Monday 29

Waning Crescent 28%

04:19

14:25

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

Sun - Rise: 05:51, Set: 20:31, Transit: 13:11. Moon - Rise: 04:19, Set: 14:25. Civil Dark: 21:08 - 05:14. Nautical Dark: 21:55 - 04:26. Astro Dark: 22:52 - 03:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

73
97
97
97
97
97
97
59
59
59
59
59
59
80
80
80
80
80
80
66
66
66
66
66

High Clouds (% Sky Obscured)

81
91
91
91
91
91
91
72
72
72
72
72
72
40
40
40
40
40
40
1
1
1
1
1

ISS Passover

Visibility (miles)

4
4
4
3
3
3
3
3
2
1
1
1
1
1
1
2
2
2
3
3
3
3
4
7

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

13
13
19
28
36
42
46
48
50
45
40
37
35
31
24
18
15
13
14
14
13
12
10
6

Precipitation Amount (mm)

0.06
0.05
0.09
0.14
0.21
0.25
0.28
0.33
0.44
0.59
0.7
0.67
0.57
0.46
0.35
0.24
0.17
0.14
0.14
0.13
0.11
0.09
0.06
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
9
9
8
8
8
8
9
10
11
12
13
14
14
14
14
14
13
13
12
11
10
10

Feels Like (°C)

10
8
8
8
8
8
8
8
8
9
11
12
13
14
14
14
14
14
13
13
12
11
10
8

Dew Point (°C)

8
8
8
7
7
7
7
7
7
7
7
7
8
8
8
8
8
7
7
7
7
7
7
7

Relative Humidity (%)

86
89
91
92
93
93
94
93
91
85
78
73
71
68
66
64
65
65
66
67
71
77
82
84

Pressure (mb)

1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

363
363
363
362
362
361
360
359
359
359
359
360
361
361
359
356
353
351
348
347
348
350
353
354

Tuesday 30

Waning Crescent 20%

04:42

15:31

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

Sun - Rise: 05:49, Set: 20:33, Transit: 13:11. Moon - Rise: 04:42, Set: 15:31. Civil Dark: 21:10 - 05:12. Nautical Dark: 21:58 - 04:24. Astro Dark: 22:55 - 03:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
95
95
95
95
95
100
100
100
100
100
100
91
91
91
91
91

Low Clouds (% Sky Obscured)

100
62
62
62
62
62
62
9
9
9
9
9
9
98
98
98
98
98
98
9
9
9
9
9

Medium Clouds (% Sky Obscured)

66
99
99
99
99
99
99
95
95
95
95
95
95
100
100
100
100
100
100
90
90
90
90
90

High Clouds (% Sky Obscured)

1
90
90
90
90
90
90
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6

ISS Passover

Visibility (miles)

9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
5
2
1
2
3
4

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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

4
0
0
0
0
0
5
8
8
9
8
9
10
11
9
7
10
26
49
58
55
50
51
44

Precipitation Amount (mm)

0.01
0
0
0
0
0
0.02
0.04
0.04
0.03
0.03
0.06
0.12
0.15
0.09
0.03
0.04
0.2
0.63
1.07
1.15
1
0.8
0.55

Wind Speed/Direction (mph)

10
10
11
11
11
11
12
13
14
15
15
16
16
16
16
15
14
14
14
14
13
13
12
10

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
9
10
11
13
14
15
16
17
17
17
16
15
14
14
14
13
13
12

Feels Like (°C)

7
7
7
7
7
7
7
7
11
13
14
15
16
17
17
17
16
15
14
14
14
13
13
12

Dew Point (°C)

7
7
7
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

83
83
85
86
87
88
89
88
83
75
68
63
59
57
56
58
61
64
66
67
69
71
75
78

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

354
355
357
359
360
362
363
364
365
365
366
368
369
370
368
366
363
362
362
362
365
368
371
371

Wednesday 1

Waning Crescent 13%

05:02

16:37

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

Sun - Rise: 05:47, Set: 20:34, Transit: 13:11. Moon - Rise: 05:02, Set: 16:37. Civil Dark: 21:12 - 05:10. Nautical Dark: 22:00 - 04:22. Astro Dark: 22:58 - 03:23

Total Clouds (% Sky Obscured)

91
100
100
100
100
100
100
99
99
99
99
99
99
53
53
53
53
53
53
47
47
47
47
47

Low Clouds (% Sky Obscured)

9
7
7
7
7
7
7
73
73
73
73
73
73
11
11
11
11
11
11
5
5
5
5
5

Medium Clouds (% Sky Obscured)

90
100
100
100
100
100
100
95
95
95
95
95
95
49
49
49
49
49
49
45
45
45
45
45

High Clouds (% Sky Obscured)

6
91
91
91
91
91
91
95
95
95
95
95
95
0
0
0
0
0
0
1
1
1
1
1

ISS Passover

Visibility (miles)

4
5
6
7
7
7
6
7
9
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
Very Light Rain
Very Light Rain
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
None
None
None

Precipitation Probability (%)

31
22
20
17
13
9
6
4
3
0
0
0
2
3
6
9
13
16
17
15
9
4
2
2

Precipitation Amount (mm)

0.31
0.18
0.11
0.07
0.05
0.04
0.03
0.02
0.01
0
0
0
0.03
0.06
0.1
0.14
0.17
0.18
0.19
0.16
0.09
0.03
0.03
0.01

Wind Speed/Direction (mph)

7
5
5
6
7
7
6
7
6
4
7
7
3
7
7
9
10
9
7
5
4
5
4
4

Chance of Frost

Temperature (°C)

12
12
11
10
9
9
8
9
10
12
14
15
17
18
18
17
17
16
15
15
14
13
12
11

Feels Like (°C)

12
12
11
10
8
7
7
7
10
12
14
15
17
18
18
17
17
16
15
15
14
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

80
84
87
88
89
90
91
89
82
74
68
62
56
53
52
54
57
61
63
64
66
68
70
73

Pressure (mb)

1017
1017
1016
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

369
368
369
372
373
373
372
371
371
370
369
368
367
367
366
366
366
369
372
375
377
379
379
378

Welcome to Clear Outside

Forecast for FLO HQ, Exeter, Devon, UK (50.70,-3.52)

Generated: 25/04/19 20:18:05. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+1.00