Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

Waxing Gibbous 71%

13:30

04:13

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: 05:44, Set: 20:11, Transit: 12:58. Moon - Rise: 13:30, Set: 04:13. Civil Dark: 20:48 - 05:07. Nautical Dark: 21:34 - 04:20. Astro Dark: 22:28 - 03:25

Total Clouds (% Sky Obscured)

70
99
86
65
85
84
100
100
100
100
100
100
97
100
100
100
100
73
75
56
94
56
48
94

Low Clouds (% Sky Obscured)

52
14
11
33
33
79
100
100
100
100
100
100
96
99
100
100
100
73
75
56
94
56
45
93

Medium Clouds (% Sky Obscured)

10
96
44
44
76
40
59
47
45
100
91
75
44
96
99
55
56
37
11
0
0
6
15
14

High Clouds (% Sky Obscured)

43
95
80
31
29
2
56
6
34
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
10
10
9
9
9
9
9
9
9
9
9
8
8
9
9
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

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
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
4
8
19
34
43
42
36
30
23
17
13
13
14
13
10
7
6
5
6
6
6

Precipitation Amount (mm)

0
0
0
0.01
0.02
0.08
0.24
0.38
0.37
0.3
0.23
0.16
0.1
0.07
0.1
0.17
0.2
0.14
0.06
0.03
0.02
0.03
0.03
0.03

Wind Speed/Direction (mph)

9
9
10
12
13
15
17
19
19
19
19
18
18
17
16
15
14
13
12
11
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
13
13
12
12
12
11
11
12
12
12
12
11
11
11
10
10
7
7
6
5
4
5

Dew Point (°C)

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

Relative Humidity (%)

84
81
80
79
81
85
90
93
94
94
94
95
94
94
96
98
99
98
95
94
96
100
100
94

Pressure (mb)

1016
1016
1016
1016
1015
1015
1014
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

326
326
325
325
324
323
322
322
321
322
322
323
324
325
326
328
330
331
332
332
332
333
333
334

Wednesday 25

Waxing Gibbous 81%

14:45

04:41

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

Sun - Rise: 05:42, Set: 20:13, Transit: 12:58. Moon - Rise: 14:45, Set: 04:41. Civil Dark: 20:49 - 05:05. Nautical Dark: 21:36 - 04:18. Astro Dark: 22:31 - 03:22

Total Clouds (% Sky Obscured)

66
30
41
48
46
93
88
71
84
57
75
75
16
14
13
1
2
8
6
1
1
2
2
1

Low Clouds (% Sky Obscured)

64
25
27
33
35
40
41
13
43
13
14
2
2
13
13
0
2
8
5
1
0
1
2
1

Medium Clouds (% Sky Obscured)

12
13
26
33
28
91
86
70
79
55
73
74
15
3
2
1
0
0
2
0
1
0
0
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
1
5
11
1
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

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

Precipitation Probability (%)

5
5
5
6
7
9
13
15
14
13
11
9
6
4
12
22
26
21
10
0
0
0
0
0

Precipitation Amount (mm)

0.04
0.05
0.06
0.08
0.11
0.15
0.22
0.26
0.23
0.19
0.15
0.08
0.03
0.01
0.09
0.42
0.68
0.4
0.07
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
11
12
13
13
12
12
11
11
11
10
6
5
4
4
4
4
4
4
4
4
4
3
4

Dew Point (°C)

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

Relative Humidity (%)

83
76
70
67
67
69
71
73
74
74
75
77
79
80
81
82
83
82
80
78
79
82
84
82

Pressure (mb)

1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018

Ozone (du)

335
338
343
350
355
356
355
354
355
357
360
363
366
369
372
374
376
378
379
380
379
378
376
376

Thursday 26

Waxing Gibbous 89%

16:00

05:06

09 Bad
10 OK
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: 05:40, Set: 20:14, Transit: 12:58. Moon - Rise: 16:00, Set: 05:06. Civil Dark: 20:51 - 05:03. Nautical Dark: 21:38 - 04:15. Astro Dark: 22:34 - 03:18

Total Clouds (% Sky Obscured)

49
38
77
52
52
66
75
62
64
69
46
89
97
93
99
98
98
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

49
33
50
34
16
38
71
36
48
7
27
12
26
17
9
1
1
1
46
95
61
88
24
24

Medium Clouds (% Sky Obscured)

1
18
20
33
48
59
50
59
49
62
32
20
56
30
71
85
84
72
96
98
95
79
85
85

High Clouds (% Sky Obscured)

0
0
48
9
0
0
0
0
0
17
19
86
95
91
98
97
98
96
98
99
99
99
99
99

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
3
5
6
7
8
9
8
7
7
6
7
7
8
11
13
15
17
19
23
27
31
35

Precipitation Amount (mm)

0
0
0.01
0.04
0.08
0.12
0.14
0.14
0.11
0.07
0.05
0.03
0.03
0.02
0.03
0.05
0.07
0.09
0.12
0.17
0.23
0.33
0.42
0.53

Wind Speed/Direction (mph)

14
15
15
16
16
17
16
16
15
13
12
10
9
8
7
6
5
5
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
6
6
6
5
5
5
5
5
5
4
4
4
4
5
5
5
5
5
5
5
5

Relative Humidity (%)

77
72
69
68
68
68
70
71
70
70
71
73
75
78
81
85
90
95
99
100
100
100
98
94

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1013
1013

Ozone (du)

375
374
373
371
369
367
365
363
361
359
358
357
358
358
358
357
356
357
357
359
361
364
367
371

Friday 27

Waxing Gibbous 95%

17:14

05:29

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: 05:38, Set: 20:16, Transit: 12:58. Moon - Rise: 17:14, Set: 05:29. Civil Dark: 20:53 - 05:00. Nautical Dark: 21:41 - 04:13. Astro Dark: 22:37 - 03:15

Total Clouds (% Sky Obscured)

100
100
100
100
91
91
91
91
91
91
84
84
84
84
84
84
100
100
100
100
100
100
80
80

Low Clouds (% Sky Obscured)

24
24
24
24
34
34
34
34
34
34
24
24
24
24
24
24
100
100
100
100
100
100
80
80

Medium Clouds (% Sky Obscured)

85
85
85
85
57
57
57
57
57
57
83
83
83
83
83
83
93
93
93
93
93
93
15
15

High Clouds (% Sky Obscured)

99
99
99
99
82
82
82
82
82
82
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
7
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

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

Precipitation Probability (%)

38
40
39
36
32
26
18
13
12
12
12
12
12
11
12
12
12
12
10
9
10
12
13
14

Precipitation Amount (mm)

0.65
0.71
0.69
0.64
0.58
0.45
0.3
0.22
0.2
0.21
0.2
0.15
0.09
0.07
0.07
0.09
0.1
0.07
0.04
0.03
0.04
0.07
0.1
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
7
8
8
9
10
11
11
11
11
9
7
6
5
4
4
2
2
1
2
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

90
86
84
83
83
80
76
74
73
74
76
80
83
86
88
90
93
98
100
100
99
99
98
98

Pressure (mb)

1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010

Ozone (du)

376
380
385
390
393
394
394
392
388
382
376
372
368
364
362
361
359
356
353
351
349
348
347
347

Saturday 28

Waxing Gibbous 99%

18:26

05:53

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 Bad
08 Bad

Sun - Rise: 05:36, Set: 20:18, Transit: 12:58. Moon - Rise: 18:26, Set: 05:53. Civil Dark: 20:55 - 04:58. Nautical Dark: 21:43 - 04:10. Astro Dark: 22:40 - 03:12

Total Clouds (% Sky Obscured)

80
80
80
80
73
73
73
73
73
73
32
32
32
32
32
32
2
2
2
2
2
2
100
100

Low Clouds (% Sky Obscured)

80
80
80
80
69
69
69
69
69
69
16
16
16
16
16
16
2
2
2
2
2
2
1
1

Medium Clouds (% Sky Obscured)

15
15
15
15
48
48
48
48
48
48
31
31
31
31
31
31
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

14
14
15
16
17
17
18
19
19
20
21
21
21
19
22
23
24
24
23
23
25
27
30
34

Precipitation Amount (mm)

0.08
0.08
0.13
0.22
0.3
0.31
0.3
0.3
0.34
0.39
0.41
0.39
0.37
0.33
0.23
0.26
0.36
0.3
0.17
0.11
0.12
0.19
0.35
0.81

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
8
8
8
8
9
9
9
9
9
8
8
7
7
7
7
8
8
9
9
9
8
8

Relative Humidity (%)

96
93
91
89
90
92
94
94
94
95
97
98
100
100
100
100
100
100
100
99
98
100
100
100

Pressure (mb)

1010
1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1007
1008
1008
1007
1007
1006
1006
1005
1004
1003
1003
1002
1001

Ozone (du)

347
347
347
348
348
348
348
348
348
347
347
346
346
346
345
345
345
345
344
344
345
345
345
346

Sunday 29

Waxing Gibbous 100%

19:37

06:17

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: 05:34, Set: 20:19, Transit: 12:58. Moon - Rise: 19:37, Set: 06:17. Civil Dark: 20:57 - 04:56. Nautical Dark: 21:45 - 04:08. Astro Dark: 22:43 - 03:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
83
83

Low Clouds (% Sky Obscured)

1
1
1
1
100
100
100
100
100
100
29
29
29
29
29
29
93
93
93
93
93
93
80
80

Medium Clouds (% Sky Obscured)

0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
25
25

High Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
99
60
60
60
60
60
60
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

38
40
39
36
33
30
25
24
27
27
26
24
21
18
17
17
16
16
15
15
14
13
13
12

Precipitation Amount (mm)

1.67
2.18
1.62
0.8
0.38
0.18
0.07
0.06
0.25
0.95
1.56
1.16
0.49
0.18
0.13
0.16
0.21
0.26
0.3
0.31
0.25
0.17
0.1
0.04

Wind Speed/Direction (mph)

9
9
8
8
8
6
11
12
12
11
10
9
9
8
8
9
9
9
9
6
4
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
97
94
93
94
94
93
90
87
85
85
86
86
86
87
89
92
97
100
100
100
99
93

Pressure (mb)

1001
1001
1000
1000
1000
1000
1000
1000
1001
1001
1002
1002
1003
1004
1005
1005
1005
1006
1006
1007
1007
1007
1008
1009

Ozone (du)

346
347
348
349
351
356
362
367
373
378
382
383
383
383
383
382
382
381
381
382
382
382
382
383

Monday 30

Full Moon 99%

20:47

06:45

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 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad

Sun - Rise: 05:32, Set: 20:21, Transit: 12:57. Moon - Rise: 20:47, Set: 06:45. Civil Dark: 20:59 - 04:54. Nautical Dark: 21:47 - 04:05. Astro Dark: 22:47 - 03:05

Total Clouds (% Sky Obscured)

83
83
83
83
100
100
100
100
100
100
89
89
89
89
89
89
38
38
38
38
38
38
48
48

Low Clouds (% Sky Obscured)

80
80
80
80
100
100
100
100
100
100
68
68
68
68
68
68
0
0
0
0
0
0
12
12

Medium Clouds (% Sky Obscured)

25
25
25
25
43
43
43
43
43
43
81
81
81
81
81
81
31
31
31
31
31
31
41
41

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
31
31
31
31
31
31
22
22
22
22
22
22
23
23

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

Precipitation Probability (%)

9
0
0
9
10
11
11
6
5
10
10
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0
0
0.02
0.04
0.03
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
82
78
75
73
74
75
75
75
77
78
78
76
75
76
78
81
83
88
92
95
95
94
92

Pressure (mb)

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

Ozone (du)

383
384
386
388
389
388
387
386
386
387
387
389
391
392
393
392
391
390
388
387
387
386
386
385

Forecast for Crawley, West Sussex, UK (51.11,-0.19)

Generated: 24/04/18 09:43:49. Forecast: 24/04/18 to 30/04/18. Timezone: UTC+1.00