Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

Waxing Gibbous 71%

13:45

03:54

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 OK

Sun - Rise: 06:00, Set: 20:23, Transit: 13:12. Moon - Rise: 13:45, Set: 03:54. Civil Dark: 21:00 - 05:24. Nautical Dark: 21:45 - 04:38. Astro Dark: 22:39 - 03:45

Total Clouds (% Sky Obscured)

99
98
98
97
85
94
91
80
100
98
100
100
100
98
99
100
100
99
100
100
100
100
63
32

Low Clouds (% Sky Obscured)

91
87
72
52
37
52
52
58
100
55
100
100
100
98
98
100
100
99
99
98
97
100
38
32

Medium Clouds (% Sky Obscured)

78
83
67
20
40
54
48
41
32
94
98
84
73
72
94
71
86
61
98
100
100
84
54
1

High Clouds (% Sky Obscured)

83
84
95
94
73
81
73
61
92
91
45
31
1
4
6
25
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
8
8
9
9
7
6
6
7
8
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

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
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
15
14
11
12
17
23
16
23
33
41
43
44
43
37
29
23
25
28
28
24
17
12
9

Precipitation Amount (mm)

0.15
0.2
0.16
0.11
0.1
0.15
0.23
0.1
0.17
0.17
0.33
0.46
0.44
0.41
0.31
0.2
0.15
0.18
0.25
0.3
0.25
0.18
0.13
0.08

Wind Speed/Direction (mph)

6
6
5
7
9
7
6
7
5
7
9
11
15
17
18
17
17
17
16
15
13
12
12
11

Chance of Frost

Temperature (°C)

11
12
12
12
10
10
11
11
11
11
11
11
11
12
12
12
13
13
12
12
12
11
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
83
83
83
95
99
89
88
88
89
91
93
96
97
96
94
93
92
92
92
93
94
95
95

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1017
1016
1016
1016
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1012
1012
1012

Ozone (du)

325
325
325
324
324
324
323
324
323
322
322
321
321
321
320
319
319
320
322
324
326
328
330
331

Wednesday 25

Waxing Gibbous 81%

15:00

04:26

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

Sun - Rise: 05:58, Set: 20:25, Transit: 13:11. Moon - Rise: 15:00, Set: 04:26. Civil Dark: 21:01 - 05:22. Nautical Dark: 21:47 - 04:36. Astro Dark: 22:41 - 03:42

Total Clouds (% Sky Obscured)

26
20
23
49
35
40
28
34
32
32
38
64
48
50
59
58
52
45
48
29
17
11
11
6

Low Clouds (% Sky Obscured)

26
20
23
49
35
39
22
22
17
19
23
36
32
25
22
40
41
27
42
27
17
11
11
6

Medium Clouds (% Sky Obscured)

0
0
0
4
9
11
16
25
24
25
29
58
40
41
56
45
35
37
23
9
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
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
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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
None
None
None

Precipitation Probability (%)

6
5
6
8
10
9
7
6
5
4
4
6
8
10
11
12
12
9
5
0
2
3
4
4

Precipitation Amount (mm)

0.04
0.02
0.03
0.06
0.09
0.07
0.05
0.03
0.02
0.02
0.03
0.05
0.11
0.17
0.18
0.18
0.15
0.08
0.02
0
0.01
0.03
0.05
0.05

Wind Speed/Direction (mph)

11
12
12
12
11
11
11
11
11
13
14
15
16
17
18
18
18
18
17
16
9
7
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
6
5
5
4
4
4
5
7
11
12
12
12
12
12
11
11
11
10
8
7
5
5

Dew Point (°C)

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

Relative Humidity (%)

94
92
92
91
92
93
96
95
89
82
77
74
72
72
72
72
72
73
74
75
76
78
79
80

Pressure (mb)

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

Ozone (du)

332
333
334
334
335
336
337
339
343
347
351
353
355
356
356
356
357
359
363
366
369
372
374
376

Thursday 26

Waxing Gibbous 89%

16:14

04:54

00 Good
01 Good
02 OK
03 OK
04 OK
05 OK
06 OK
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: 20:27, Transit: 13:11. Moon - Rise: 16:14, Set: 04:54. Civil Dark: 21:03 - 05:20. Nautical Dark: 21:50 - 04:33. Astro Dark: 22:44 - 03:38

Total Clouds (% Sky Obscured)

8
9
19
16
15
17
25
95
94
84
44
51
50
56
56
59
99
82
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

8
9
19
15
14
16
25
24
30
28
35
30
27
25
42
45
44
45
60
77
76
23
9
17

Medium Clouds (% Sky Obscured)

0
0
0
5
4
2
3
24
20
27
34
46
45
55
44
52
98
76
94
98
98
88
99
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
92
91
77
0
0
0
0
0
5
84
33
91
95
98
99
100
100

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
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 (%)

3
5
5
5
4
0
0
0
0
0
3
5
6
7
7
6
6
7
8
10
13
17
21
25

Precipitation Amount (mm)

0.03
0.02
0.02
0.01
0.01
0
0
0
0
0
0.01
0.02
0.05
0.08
0.07
0.06
0.05
0.05
0.06
0.07
0.09
0.12
0.16
0.21

Wind Speed/Direction (mph)

14
14
12
12
13
12
12
12
12
13
14
15
15
15
15
14
14
12
11
10
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
81
83
84
86
87
86
83
80
77
73
70
68
66
65
65
66
68
71
75
80
85
88

Pressure (mb)

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

Ozone (du)

378
378
377
374
372
372
373
373
372
370
369
369
368
368
366
363
361
359
358
358
358
358
359
359

Friday 27

Waxing Gibbous 95%

17:28

05:19

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 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:54, Set: 20:28, Transit: 13:11. Moon - Rise: 17:28, Set: 05:19. Civil Dark: 21:05 - 05:17. Nautical Dark: 21:52 - 04:31. Astro Dark: 22:47 - 03:35

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)

18
10
18
20
98
100
88
82
82
82
82
82
82
99
99
99
99
99
99
100
100
100
100
100

Medium Clouds (% Sky Obscured)

95
100
100
99
95
100
99
100
100
100
100
100
100
100
100
100
100
100
100
63
63
63
63
63

High Clouds (% Sky Obscured)

99
99
100
100
99
100
100
100
100
100
100
100
100
95
95
95
95
95
95
45
45
45
45
45

ISS Passover

Visibility (miles)

10
9
8
6
4
4
4
4
5
5
5
6
7
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
Light Rain
Light Rain
Light Rain
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
None
None
None

Precipitation Probability (%)

30
33
36
37
38
40
42
44
45
45
43
38
31
25
20
14
10
8
8
8
7
0
0
0

Precipitation Amount (mm)

0.29
0.39
0.49
0.58
0.65
0.67
0.67
0.72
0.85
1.03
1.14
1.1
0.97
0.77
0.45
0.18
0.06
0.04
0.03
0.03
0.02
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
4
3
3
2
3
4
6
7
7
7
8
8
8
8
8
8
8
8
6
5
4

Dew Point (°C)

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

Relative Humidity (%)

90
92
96
98
100
100
100
100
98
92
88
86
85
85
85
86
85
84
83
83
85
88
91
93

Pressure (mb)

1016
1016
1015
1014
1013
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1011
1011
1012
1012
1012

Ozone (du)

360
362
365
369
374
378
383
387
390
392
393
394
393
392
388
383
379
376
373
370
366
362
359
356

Saturday 28

Waxing Gibbous 97%

18:40

05:43

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 OK
20 OK
21 OK
22 OK
23 OK

Sun - Rise: 05:52, Set: 20:30, Transit: 13:11. Moon - Rise: 18:40, Set: 05:43. Civil Dark: 21:07 - 05:15. Nautical Dark: 21:54 - 04:28. Astro Dark: 22:50 - 03:32

Total Clouds (% Sky Obscured)

100
53
53
53
53
53
53
85
85
85
85
85
85
95
95
95
95
95
95
6
6
6
6
6

Low Clouds (% Sky Obscured)

100
53
53
53
53
53
53
77
77
77
77
77
77
42
42
42
42
42
42
6
6
6
6
6

Medium Clouds (% Sky Obscured)

63
6
6
6
6
6
6
64
64
64
64
64
64
22
22
22
22
22
22
4
4
4
4
4

High Clouds (% Sky Obscured)

45
0
0
0
0
0
0
28
28
28
28
28
28
92
92
92
92
92
92
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
10
10
10
10
10
9
9
10
10
10
10
10
10
10
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
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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
10
12
13
14
13
13
12
12
11
13
15
17
18
17
17
18
18
19
19

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.06
0.1
0.1
0.09
0.07
0.05
0.04
0.03
0.04
0.06
0.08
0.08
0.06
0.05
0.06
0.08
0.13
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
99
100
100
100
98
96
96
93
91
88
87
86
86
87
88
89
89
88
88
90
92
93
93

Pressure (mb)

1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1007

Ozone (du)

354
353
353
353
354
354
354
354
353
353
352
352
352
352
352
352
353
354
355
356
357
357
358
359

Sunday 29

Waxing Gibbous 99%

19:51

06:07

00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
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: 05:50, Set: 20:31, Transit: 13:11. Moon - Rise: 19:51, Set: 06:07. Civil Dark: 21:08 - 05:13. Nautical Dark: 21:56 - 04:26. Astro Dark: 22:53 - 03:29

Total Clouds (% Sky Obscured)

6
0
0
0
0
0
0
91
91
91
91
91
91
100
100
100
100
100
100
97
97
97
97
97

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
1
1
1
1
1
1
72
72
72
72
72
72
25
25
25
25
25

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
99
99
99
99
99
99
49
49
49
49
49

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
91
91
91
91
91
91
97
97
97
97
97
97
95
95
95
95
95

ISS Passover

Visibility (miles)

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
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

Precipitation Probability (%)

20
21
22
23
24
25
25
25
27
30
32
33
34
34
33
31
30
29
27
25
23
20
17
16

Precipitation Amount (mm)

0.26
0.33
0.36
0.36
0.36
0.33
0.29
0.28
0.3
0.36
0.44
0.53
0.61
0.67
0.68
0.67
0.61
0.46
0.29
0.17
0.09
0.05
0.03
0.04

Wind Speed/Direction (mph)

13
14
14
13
13
13
13
13
13
14
14
15
16
16
15
12
11
10
10
9
10
7
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
92
91
92
94
100
100
100
100
100
100
97
94
93
93
92
92
90
88
87
86
86
85
85

Pressure (mb)

1007
1006
1006
1005
1005
1004
1004
1004
1003
1003
1003
1003
1002
1002
1002
1002
1002
1001
1001
1002
1002
1003
1003
1004

Ozone (du)

359
359
359
359
360
360
360
360
360
361
362
363
364
367
371
376
380
384
387
390
391
391
391
392

Monday 30

Full Moon 100%

21:00

06:32

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: 05:48, Set: 20:33, Transit: 13:11. Moon - Rise: 21:00, Set: 06:32. Civil Dark: 21:10 - 05:11. Nautical Dark: 21:58 - 04:23. Astro Dark: 22:56 - 03:25

Total Clouds (% Sky Obscured)

97
95
95
95
95
95
95
98
98
98
98
98
98
100
100
100
100
100
100
96
96
96
96
96

Low Clouds (% Sky Obscured)

25
2
2
2
2
2
2
43
43
43
43
43
43
77
77
77
77
77
77
70
70
70
70
70

Medium Clouds (% Sky Obscured)

49
50
50
50
50
50
50
81
81
81
81
81
81
99
99
99
99
99
99
18
18
18
18
18

High Clouds (% Sky Obscured)

95
94
94
94
94
94
94
97
97
97
97
97
97
91
91
91
91
91
91
91
91
91
91
91

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
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

Precipitation Probability (%)

15
15
15
16
15
15
14
13
12
11
10
10
11
11
11
11
10
8
6
1
1
0
0
0

Precipitation Amount (mm)

0.05
0.06
0.1
0.18
0.22
0.22
0.18
0.14
0.07
0.03
0.02
0.03
0.05
0.07
0.05
0.03
0.02
0.01
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
4
3
2
1
1
2
4
5
6
7
11
11
12
12
12
11
11
8
6
5
4

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
86
90
94
99
99
95
89
85
80
76
72
69
65
64
65
69
72
74
77
80
82

Pressure (mb)

1004
1004
1005
1005
1006
1007
1007
1008
1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014

Ozone (du)

393
394
394
394
394
393
393
393
392
392
392
391
392
392
393
394
394
394
393
392
392
392
391
391

Welcome to Clear Outside

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

Generated: 24/04/18 08:51:25. Forecast: 24/04/18 to 30/04/18. Timezone: UTC+1.00