Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

Waxing Gibbous 71%

13:48

04:28

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:01, Set: 20:25, Transit: 13:14. Moon - Rise: 13:48, Set: 04:28. Civil Dark: 21:01 - 05:25. Nautical Dark: 21:46 - 04:39. Astro Dark: 22:39 - 03:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
88
49
75
65
58
86
72
84
85
55
52

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
88
49
75
65
58
86
71
84
82
47
45

Medium Clouds (% Sky Obscured)

22
68
45
47
58
63
50
46
87
91
99
100
89
42
3
1
0
0
1
1
9
26
28
22

High Clouds (% Sky Obscured)

81
45
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

59
63
62
59
55
44
28
21
30
46
51
43
29
18
12
6
5
5
9
13
12
9
7
7

Precipitation Amount (mm)

0.88
0.46
0.72
1.07
0.95
0.6
0.27
0.17
0.32
0.76
1.1
0.85
0.45
0.24
0.11
0.04
0.02
0.02
0.06
0.11
0.09
0.06
0.04
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
10
10
11
11
11
11
11
11
11
10
10
7
6
5
5
5
4
4
4
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
100
100
99
98
99
100
100
100
98
97
96
96
96
97
99
100
98

Pressure (mb)

1016
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016

Ozone (du)

321
320
320
320
319
319
318
318
319
321
323
324
326
328
329
330
331
332
332
332
334
335
337
341

Wednesday 25

Waxing Gibbous 81%

15:03

04:56

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

Sun - Rise: 05:59, Set: 20:27, Transit: 13:14. Moon - Rise: 15:03, Set: 04:56. Civil Dark: 21:03 - 05:23. Nautical Dark: 21:48 - 04:37. Astro Dark: 22:42 - 03:43

Total Clouds (% Sky Obscured)

54
62
61
64
45
52
66
51
64
51
34
20
25
18
23
27
28
16
20
23
30
75
95
83

Low Clouds (% Sky Obscured)

45
41
49
27
33
41
25
37
24
43
33
18
24
18
21
25
26
13
14
18
30
37
49
41

Medium Clouds (% Sky Obscured)

23
50
31
59
32
34
63
38
59
24
9
2
2
2
10
12
16
9
14
15
2
9
7
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
60
89
72

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
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
None
None
None
Very Light Rain

Precipitation Probability (%)

10
13
15
17
18
17
16
15
12
9
6
6
12
18
18
15
13
10
7
6
5
5
5
6

Precipitation Amount (mm)

0.09
0.15
0.21
0.29
0.35
0.36
0.33
0.27
0.17
0.07
0.03
0.03
0.11
0.21
0.22
0.18
0.13
0.08
0.04
0.03
0.02
0.01
0.02
0.03

Wind Speed/Direction (mph)

14
16
17
18
18
19
20
20
19
19
18
17
15
16
15
16
16
16
15
15
14
13
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
5
6
6
10
11
11
11
10
6
5
4
4
3
3
3
3
3
3
3
3
2
2
3

Dew Point (°C)

7
7
7
7
7
7
7
7
7
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

94
90
87
83
80
77
76
77
79
82
84
87
88
89
90
90
90
89
87
87
88
91
91
90

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1020

Ozone (du)

345
348
350
351
352
352
353
354
356
359
362
366
369
372
374
375
375
374
371
369
369
369
369
368

Thursday 26

Waxing Gibbous 89%

16:17

05:21

09 OK
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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:57, Set: 20:28, Transit: 13:13. Moon - Rise: 16:17, Set: 05:21. Civil Dark: 21:04 - 05:20. Nautical Dark: 21:50 - 04:34. Astro Dark: 22:44 - 03:39

Total Clouds (% Sky Obscured)

34
50
41
48
63
98
77
88
77
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

31
31
27
34
53
97
67
82
66
63
44
20
33
16
30
57
43
34
69
61
38
77
92
92

Medium Clouds (% Sky Obscured)

16
44
37
41
40
38
52
73
48
43
97
99
95
100
99
100
100
100
97
100
99
99
99
99

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
19
93
98
98
100
100
99
99
100
100
99
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

9
10
10
9
9
8
7
7
7
8
11
14
19
24
30
37
41
44
45
47
48
49
49
49

Precipitation Amount (mm)

0.08
0.11
0.11
0.1
0.1
0.08
0.06
0.05
0.05
0.05
0.07
0.09
0.12
0.18
0.28
0.43
0.59
0.68
0.77
0.88
0.97
1.04
1.11
1.19

Wind Speed/Direction (mph)

13
15
15
15
15
15
14
13
13
12
11
9
7
6
5
5
5
5
4
4
5
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
6
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
5
5
5
5
5

Relative Humidity (%)

86
83
80
77
75
74
72
73
74
76
78
82
86
91
94
97
99
99
99
100
100
100
100
100

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1017
1016
1016
1015
1014
1013
1012
1012
1011
1011

Ozone (du)

366
364
364
364
363
361
359
358
357
357
357
357
357
358
359
360
362
365
370
375
381
388
393
395

Friday 27

Waxing Gibbous 95%

17:30

05:45

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:55, Set: 20:30, Transit: 13:13. Moon - Rise: 17:30, Set: 05:45. Civil Dark: 21:06 - 05:18. Nautical Dark: 21:52 - 04:32. Astro Dark: 22:47 - 03:36

Total Clouds (% Sky Obscured)

100
100
100
100
97
97
97
97
97
97
95
95
95
95
95
95
100
100
100
100
100
100
89
89

Low Clouds (% Sky Obscured)

92
92
92
92
96
96
96
96
96
96
91
91
91
91
91
91
100
100
100
100
100
100
88
88

Medium Clouds (% Sky Obscured)

99
99
99
99
73
73
73
73
73
73
57
57
57
57
57
57
0
0
0
0
0
0
33
33

High Clouds (% Sky Obscured)

100
100
100
100
2
2
2
2
2
2
26
26
26
26
26
26
0
0
0
0
0
0
30
30

ISS Passover

Visibility (miles)

6
7
8
9
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
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
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
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

47
43
37
30
24
19
15
12
11
12
12
10
9
8
7
5
0
0
0
0
0
7
8
10

Precipitation Amount (mm)

1.28
1.26
1.06
0.8
0.58
0.33
0.19
0.11
0.09
0.09
0.09
0.05
0.03
0.02
0.01
0.01
0
0
0
0
0
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
7
7
7
7
7
7
7
7
7
6
5
5
5
5
5
5
5
5
5
5
6

Relative Humidity (%)

97
92
90
90
90
90
90
90
90
90
90
92
93
95
95
95
95
94
94
94
96
99
100
99

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

395
394
393
390
386
382
377
373
370
367
365
361
358
355
353
352
352
352
353
354
354
354
353
353

Saturday 28

Waxing Gibbous 99%

18:42

06:09

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

Sun - Rise: 05:53, Set: 20:31, Transit: 13:13. Moon - Rise: 18:42, Set: 06:09. Civil Dark: 21:08 - 05:16. Nautical Dark: 21:55 - 04:29. Astro Dark: 22:50 - 03:33

Total Clouds (% Sky Obscured)

89
89
89
89
90
90
90
90
90
90
0
0
0
0
0
0
0
0
0
0
0
0
98
98

Low Clouds (% Sky Obscured)

88
88
88
88
41
41
41
41
41
41
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

33
33
33
33
14
14
14
14
14
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

30
30
30
30
84
84
84
84
84
84
0
0
0
0
0
0
0
0
0
0
0
0
98
98

ISS Passover

Visibility (miles)

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

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
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
Very Light Rain
Light Rain

Precipitation Probability (%)

13
15
15
14
13
15
17
19
20
19
19
20
21
22
22
22
23
25
27
29
29
29
30
31

Precipitation Amount (mm)

0.08
0.13
0.12
0.08
0.08
0.1
0.13
0.16
0.15
0.12
0.11
0.13
0.17
0.21
0.22
0.23
0.26
0.35
0.49
0.58
0.53
0.42
0.38
0.45

Wind Speed/Direction (mph)

12
13
13
13
13
13
12
12
12
12
12
11
11
11
11
11
12
12
12
11
11
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
5
6
7
7
7
6
6
6
5
5
4
4
4
4
4
4
4
4
2
1
0
1

Dew Point (°C)

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

Relative Humidity (%)

97
94
90
86
84
84
85
87
89
90
91
94
97
100
100
99
97
96
95
96
100
100
100
100

Pressure (mb)

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

Ozone (du)

353
352
352
353
353
354
354
355
356
357
358
359
360
360
361
361
361
362
362
362
363
362
362
363

Sunday 29

Waxing Gibbous 100%

19:52

06:35

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:51, Set: 20:33, Transit: 13:13. Moon - Rise: 19:52, Set: 06:35. Civil Dark: 21:10 - 05:14. Nautical Dark: 21:57 - 04:27. Astro Dark: 22:53 - 03:30

Total Clouds (% Sky Obscured)

98
98
98
98
97
97
97
97
97
97
98
98
98
98
98
98
81
81
81
81
81
81
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
54
54
54
54
54
54
77
77
77
77
77
77
2
2
2
2
2
2
38
38

Medium Clouds (% Sky Obscured)

0
0
0
0
84
84
84
84
84
84
84
84
84
84
84
84
66
66
66
66
66
66
99
99

High Clouds (% Sky Obscured)

98
98
98
98
86
86
86
86
86
86
84
84
84
84
84
84
66
66
66
66
66
66
93
93

ISS Passover

Visibility (miles)

9
9
9
9
9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

34
36
37
38
38
38
37
35
34
32
29
26
22
19
18
17
17
17
18
18
18
17
17
15

Precipitation Amount (mm)

0.61
0.81
1.02
1.28
1.48
1.57
1.59
1.43
1.03
0.58
0.3
0.15
0.08
0.04
0.03
0.03
0.03
0.04
0.05
0.07
0.08
0.1
0.11
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
4
5
5
5
5
5
5
6
7
6
5
4
4
4
3
3
3
2
1
1
1
2

Dew Point (°C)

5
6
6
7
7
7
7
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5

Relative Humidity (%)

100
97
95
94
95
95
94
94
92
90
89
90
91
92
92
92
91
92
94
97
100
100
100
96

Pressure (mb)

1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1003
1003
1004
1004
1004
1005
1005
1006
1006
1007
1008
1009

Ozone (du)

363
364
366
368
370
373
375
378
381
385
387
389
390
391
391
392
393
394
394
395
395
395
395
395

Monday 30

Full Moon 99%

21:01

07:02

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
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Good
08 Good

Sun - Rise: 05:50, Set: 20:34, Transit: 13:13. Moon - Rise: 21:01, Set: 07:02. Civil Dark: 21:11 - 05:12. Nautical Dark: 21:59 - 04:25. Astro Dark: 22:56 - 03:27

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
99
98
98
98
98
98
98
23
23
23
23
23
23
1
1

Low Clouds (% Sky Obscured)

38
38
38
38
91
91
91
91
91
91
92
92
92
92
92
92
19
19
19
19
19
19
1
1

Medium Clouds (% Sky Obscured)

99
99
99
99
97
97
97
97
97
97
88
88
88
88
88
88
6
6
6
6
6
6
0
0

High Clouds (% Sky Obscured)

93
93
93
93
91
91
91
91
91
91
83
83
83
83
83
83
4
4
4
4
4
4
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

13
12
12
13
13
13
13
11
8
0
0
0
0
0
0
0
0
0
0
0
0
10
11
10

Precipitation Amount (mm)

0.04
0.03
0.04
0.06
0.07
0.06
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02

Wind Speed/Direction (mph)

13
13
13
13
13
13
12
12
11
11
10
10
10
10
11
12
12
12
10
10
9
7
10
9

Chance of Frost

Temperature (°C)

7
8
9
10
10
11
11
11
11
10
10
9
8
7
6
6
6
5
5
4
3
3
3
4

Feels Like (°C)

3
4
6
7
10
11
11
11
11
10
7
6
5
4
3
2
2
2
1
0
-0
-0
-1
1

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
5
5
4
4
4
4
4
4
4
3
3
3
3
4

Relative Humidity (%)

91
85
80
75
71
68
66
65
67
70
73
76
79
83
86
89
92
92
93
96
99
100
100
98

Pressure (mb)

1009
1010
1011
1011
1011
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

394
393
393
393
393
394
394
394
394
394
394
393
393
392
392
392
391
392
392
392
392
391
390
388

Forecast for Brag Lane, Dartmoor National Park, Plymouth, Devon PL7 5EQ, UK (50.45,-4.05)

Generated: 24/04/18 09:52:55. Forecast: 24/04/18 to 30/04/18. Timezone: UTC+1.00