Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Full Moon 100%

20:20

06:44

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

Sun - Rise: 06:13, Set: 20:17, Transit: 13:15. Moon - Rise: 20:20, Set: 06:44. Civil Dark: 20:51 - 05:38. Nautical Dark: 21:35 - 04:55. Astro Dark: 22:24 - 04:06

Total Clouds (% Sky Obscured)

96
21
4
0
0
0
0
0
0
0
4
84
88
50
92
95
53
37
70
57
93
96
98
97

Low 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

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)

96
21
4
0
0
0
0
0
0
0
4
84
88
50
92
95
53
37
70
57
93
96
98
97

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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 Amount (mm)

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

Wind Speed/Direction (mph)

14
14
13
13
13
13
13
13
13
12
12
12
11
11
10
10
8
7
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
73
73
74
75
75
71
66
63
60
58
56
54
52
52
52
54
57
59
63
66
69
72

Pressure (mb)

1024
1024
1024
1024
1025
1025
1026
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1030
1030
1031
1031

Ozone (du)

354
354
354
354
353
353
353
355
356
358
359
360
360
360
358
356
354
351
350
350
351
351
351
350

Saturday 20

Waning Gibbous 99%

21:39

07:09

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

Sun - Rise: 06:11, Set: 20:18, Transit: 13:15. Moon - Rise: 21:39, Set: 07:09. Civil Dark: 20:53 - 05:36. Nautical Dark: 21:37 - 04:52. Astro Dark: 22:27 - 04:03

Total Clouds (% Sky Obscured)

98
93
38
38
3
0
0
1
5
0
0
0
0
27
3
15
38
31
6
4
3
16
24
11

Low 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

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)

98
93
38
38
3
0
0
1
5
0
0
0
0
27
3
15
38
31
6
4
3
16
24
11

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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0
0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
13
13
12
12
12
13
16
17
19
19
20
21
21
21
21
20
20
19
17
16
15
14

Feels Like (°C)

14
13
13
13
12
12
12
13
16
17
19
19
20
21
21
21
21
20
20
19
17
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

73
75
77
78
79
79
77
71
64
59
55
51
48
47
46
46
49
52
55
59
64
69
73
75

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1029
1028
1028
1028
1028
1028
1028
1027

Ozone (du)

350
349
348
347
346
345
344
343
342
341
340
338
337
335
334
332
331
330
329
328
327
326
326
325

Sunday 21

Waning Gibbous 97%

22:54

07:37

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

Sun - Rise: 06:09, Set: 20:20, Transit: 13:15. Moon - Rise: 22:54, Set: 07:37. Civil Dark: 20:55 - 05:34. Nautical Dark: 21:39 - 04:50. Astro Dark: 22:29 - 04:00

Total Clouds (% Sky Obscured)

8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low 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

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)

8
0
0
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)

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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
78
78
79
81
80
74
66
61
57
54
52
51
51
52
55
57
60
63
67
71
74
76

Pressure (mb)

1027
1026
1026
1025
1025
1024
1024
1024
1023
1023
1022
1022
1021
1020
1019
1019
1018
1017
1017
1016
1016
1016
1015
1014

Ozone (du)

324
323
323
323
323
323
323
324
324
325
326
327
328
330
331
332
333
333
334
334
335
335
336
337

Monday 22

Waning Gibbous 91%

00:04

08:10

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

Sun - Rise: 06:07, Set: 20:21, Transit: 13:14. Moon - Rise: 00:04, Set: 08:10. Civil Dark: 20:57 - 05:32. Nautical Dark: 21:41 - 04:48. Astro Dark: 22:32 - 03:57

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
31
31
31
31
31
31
15
15
15
15
15
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
31
31
31
31
31
31
13
13
13
13
13
13

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

Precipitation Probability (%)

1
1
0
1
1
1
1
0
0
0
0
3
4
5
6
6
6
6
5
3
2
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
8
8
9
9
9
9
10
10
9
9
9
8
7
7
7
7
7
6
4
3
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
10
8
8
10
12
15
16
18
18
19
19
19
19
19
18
17
16
15
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

77
79
80
81
83
84
84
77
70
65
63
62
60
58
56
56
57
59
61
64
69
73
76
77

Pressure (mb)

1013
1012
1011
1010
1009
1009
1008
1007
1006
1006
1005
1005
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1001
1000

Ozone (du)

339
340
342
344
346
348
350
352
353
354
358
362
365
367
367
367
368
369
371
372
374
376
377
377

Tuesday 23

Waning Gibbous 84%

01:07

08:48

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 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:05, Set: 20:23, Transit: 13:14. Moon - Rise: 01:07, Set: 08:48. Civil Dark: 20:58 - 05:30. Nautical Dark: 21:43 - 04:45. Astro Dark: 22:35 - 03:54

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
100
100
100
100
100
100
29
29
29
29
29
29
45
45
45
45
45
45

Low Clouds (% Sky Obscured)

76
76
76
76
76
76
92
92
92
92
92
92
8
8
8
8
8
8
24
24
24
24
24
24

Medium Clouds (% Sky Obscured)

93
93
93
93
93
93
100
100
100
100
100
100
27
27
27
27
27
27
38
38
38
38
38
38

High Clouds (% Sky Obscured)

97
97
97
97
97
97
18
18
18
18
18
18
0
0
0
0
0
0
5
5
5
5
5
5

ISS Passover

Visibility (miles)

10
10
10
10
9
8
8
10
10
10
10
10
10
10
10
10
10
10
10
10
7
3
2
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
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 (%)

0
0
0
0
4
5
7
8
10
10
9
9
10
10
9
8
10
16
17
12
9
9
7
6

Precipitation Amount (mm)

0
0
0
0
0.01
0.05
0.11
0.13
0.14
0.13
0.12
0.1
0.09
0.05
0.02
0.01
0.01
0.03
0.06
0.08
0.1
0.11
0.06
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
80
81
82
82
81
77
72
68
67
65
63
62
62
62
64
66
68
69
71
74
76
78

Pressure (mb)

999
999
998
998
997
997
997
997
997
997
997
997
997
996
996
996
996
995
995
996
996
996
996
996

Ozone (du)

377
377
376
375
377
379
381
381
380
379
378
377
376
376
377
378
376
374
373
374
375
377
379
380

Wednesday 24

Waning Gibbous 76%

01:07

09:32

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 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 06:04, Set: 20:24, Transit: 13:14. Moon - Rise: 01:07, Set: 09:32. Civil Dark: 21:00 - 05:28. Nautical Dark: 21:45 - 04:43. Astro Dark: 22:37 - 03:51

Total Clouds (% Sky Obscured)

83
83
83
83
83
83
100
100
100
100
100
100
98
98
98
98
98
98
4
4
4
4
4
4

Low Clouds (% Sky Obscured)

23
23
23
23
23
23
19
19
19
19
19
19
33
33
33
33
33
33
2
2
2
2
2
2

Medium Clouds (% Sky Obscured)

13
13
13
13
13
13
100
100
100
100
100
100
97
97
97
97
97
97
3
3
3
3
3
3

High Clouds (% Sky Obscured)

78
78
78
78
78
78
100
100
100
100
100
100
63
63
63
63
63
63
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
8
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
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
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
3
5
7
7
6
0
0
10
12
12
9
10
10
14
20
21
21
19
14
7

Precipitation Amount (mm)

0
0
0
0
0.01
0.05
0.07
0.05
0.01
0
0
0.02
0.04
0.06
0.06
0.06
0.06
0.08
0.13
0.2
0.33
0.39
0.23
0.05

Wind Speed/Direction (mph)

9
9
9
9
9
10
12
15
18
21
22
23
23
22
21
20
19
19
19
18
18
18
20
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
76
76
80
85
88
85
78
73
70
67
65
61
58
56
57
59
62
67
72
77
80
82

Pressure (mb)

995
995
995
995
995
994
994
995
995
995
995
995
995
994
994
994
993
993
993
993
992
992
993
993

Ozone (du)

382
384
386
387
387
385
384
383
381
382
388
397
401
399
393
388
385
383
382
384
387
389
389
389

Thursday 25

Waning Gibbous 66%

02:02

10:23

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
00 Bad

Sun - Rise: 06:02, Set: 20:26, Transit: 13:14. Moon - Rise: 02:02, Set: 10:23. Civil Dark: 21:02 - 05:26. Nautical Dark: 21:47 - 04:40. Astro Dark: 22:40 - 03:47

Total Clouds (% Sky Obscured)

84
84
84
84
84
84
81
81
81
81
81
81
50
50
50
50
50
50
77
77
77
77
77
77

Low Clouds (% Sky Obscured)

20
20
20
20
20
20
65
65
65
65
65
65
31
31
31
31
31
31
60
60
60
60
60
60

Medium Clouds (% Sky Obscured)

27
27
27
27
27
27
7
7
7
7
7
7
16
16
16
16
16
16
9
9
9
9
9
9

High Clouds (% Sky Obscured)

79
79
79
79
79
79
59
59
59
59
59
59
29
29
29
29
29
29
45
45
45
45
45
45

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
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
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
None
None
None
None
None
None
None

Precipitation Probability (%)

0
6
18
28
31
25
22
17
15
14
13
12
11
7
4
2
1
3
3
0
0
0
0
0

Precipitation Amount (mm)

0
0.03
0.14
0.27
0.27
0.22
0.17
0.11
0.06
0.05
0.05
0.05
0.05
0.03
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

25
22
18
15
14
14
15
16
18
19
18
17
16
16
15
14
12
10
9
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
9
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

84
86
87
89
90
91
90
87
82
77
74
71
69
66
64
62
62
64
67
71
75
79
81
82

Pressure (mb)

994
994
994
994
994
995
995
996
997
997
998
999
1000
1001
1001
1002
1002
1003
1004
1005
1005
1006
1007
1007

Ozone (du)

389
392
396
400
402
404
405
405
405
404
404
404
404
405
408
409
410
409
409
409
410
410
410
409

Forecast for Adam's Lane, Plymouth, Devon PL9 0DY, UK (50.33,-4.09)

Generated: 19/04/19 01:25:16. Forecast: 19/04/19 to 25/04/19. Timezone: UTC+1.00