Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

Waning Gibbous 89%

23:55

07:49

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

Sun - Rise: 04:59, Set: 21:06, Transit: 13:03. Moon - Rise: 23:55, Set: 07:49. Civil Dark: 21:51 - 04:14. Nautical Dark: 22:56 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
18
15
20
13
9
6
0
0
0
0
0
0
1
9
33
34
49
48
29
38
49
61
42

Low Clouds (% Sky Obscured)

16
18
15
20
13
9
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
32
20
14
18
15
38
49
60
41

High Clouds (% Sky Obscured)

95
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2
20
43
38
18
0
0
0
0

ISS Passover

Visibility (miles)

6
7
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)

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

Chance of Frost

Temperature (°C)

11
13
14
15
16
17
17
17
17
17
16
15
13
11
10
9
8
8
7
7
7
7
8
9

Feels Like (°C)

11
13
14
15
16
17
17
17
17
17
16
15
13
11
8
7
6
6
5
5
6
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

82
76
72
68
64
60
57
54
53
53
54
54
56
58
61
64
68
72
76
79
81
82
83
81

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

371
372
371
368
363
360
358
357
356
355
354
353
352
350
349
347
346
345
345
344
344
343
342
341

Wednesday 22

Waning Gibbous 82%

00:45

No Set

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

Sun - Rise: 04:58, Set: 21:08, Transit: 13:03. Moon - Rise: 00:45, Set: No Set. Civil Dark: 21:53 - 04:12. Nautical Dark: 22:59 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

10
4
3
8
75
100
97
91
91
78
93
75
73
34
37
61
37
20
15
34
28
31
100
94

Low Clouds (% Sky Obscured)

2
1
1
2
66
100
91
68
1
6
88
26
12
29
24
29
20
8
8
3
1
1
0
1

Medium Clouds (% Sky Obscured)

10
4
3
8
55
83
96
86
89
77
64
47
43
13
32
55
11
2
5
29
27
23
30
27

High Clouds (% Sky Obscured)

0
0
0
0
22
48
15
34
41
10
27
59
63
3
0
9
20
14
6
18
2
11
100
93

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
0
2
2
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
75
71
65
60
57
54
52
52
53
55
58
62
67
70
72
73
73
74
75
75
75
74
70

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

340
339
338
337
336
335
335
335
335
336
337
337
336
335
334
333
333
333
333
334
334
334
333
333

Thursday 23

Waning Gibbous 73%

01:25

08:45

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

Sun - Rise: 04:57, Set: 21:09, Transit: 13:04. Moon - Rise: 01:25, Set: 08:45. Civil Dark: 21:55 - 04:11. Nautical Dark: 23:01 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
100
98
95
88
91
100
100
99
95
99
89
89
89
89
89
89
98
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

1
1
0
1
0
1
100
100
95
67
79
38
38
38
38
38
38
4
4
4
4
4
4
13

Medium Clouds (% Sky Obscured)

61
21
27
67
77
89
100
98
98
92
98
88
88
88
88
88
88
98
98
98
98
98
98
96

High Clouds (% Sky Obscured)

97
100
98
95
84
83
66
59
70
78
6
0
0
0
0
0
0
27
27
27
27
27
27
86

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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
5
15
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.03
0.11
0.3
0.41

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
13
15
16
17
18
19
19
20
19
19
18
17
14
13
12
11
11
10
10
9
9
10
10

Feels Like (°C)

11
13
15
16
17
18
19
19
20
19
19
18
17
14
13
12
11
11
9
8
8
8
8
10

Dew Point (°C)

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

Relative Humidity (%)

65
60
56
54
52
52
50
48
48
50
52
54
58
62
65
68
69
71
74
78
82
86
88
88

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016

Ozone (du)

335
338
340
341
342
343
347
351
354
355
356
355
352
348
345
344
345
346
346
346
345
344
343
343

Friday 24

Waning Gibbous 64%

01:57

09:47

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

Sun - Rise: 04:56, Set: 21:11, Transit: 13:04. Moon - Rise: 01:57, Set: 09:47. Civil Dark: 21:56 - 04:09. Nautical Dark: 23:04 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

98
98
98
98
98
76
76
76
76
76
76
6
6
6
6
6
6
0
0
0
0
0
0
95

Low Clouds (% Sky Obscured)

13
13
13
13
13
66
66
66
66
66
66
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

96
96
96
96
96
54
54
54
54
54
54
6
6
6
6
6
6
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

86
86
86
86
86
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
6
3
5
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
None
None
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
None
None

Precipitation Probability (%)

27
11
0
0
7
9
12
15
13
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.24
0.04
0
0
0.02
0.05
0.09
0.13
0.13
0.07
0.02
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
83
81
80
79
76
73
71
70
70
69
69
74
78
80
80
81
81
82
84
86
88
86

Pressure (mb)

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

Ozone (du)

344
347
348
348
348
347
347
346
346
349
352
353
351
347
342
339
335
331
327
323
319
316
313
311

Saturday 25

Waning Gibbous 54%

02:23

10:51

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

Sun - Rise: 04:54, Set: 21:12, Transit: 13:04. Moon - Rise: 02:23, Set: 10:51. Civil Dark: 21:58 - 04:08. Nautical Dark: 23:06 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
95
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
41

Low Clouds (% Sky Obscured)

0
0
0
0
0
91
91
91
91
91
91
6
6
6
6
6
6
62
62
62
62
62
62
36

Medium Clouds (% Sky Obscured)

1
1
1
1
1
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
0

High Clouds (% Sky Obscured)

95
95
95
95
95
98
98
98
98
98
98
23
23
23
23
23
23
8
8
8
8
8
8
8

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
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

Precipitation Probability (%)

0
0
0
0
0
2
3
6
8
6
3
2
2
2
2
2
2
2
2
3
3
4
6
8

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.02
0.06
0.08
0.06
0.03
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
75
69
65
62
61
61
64
68
70
69
69
67
70
73
77
81
85
87
88
90
90
91
90

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015

Ozone (du)

308
304
302
301
302
302
303
303
302
302
301
300
300
300
300
302
304
306
308
310
312
313
314
316

Sunday 26

Third Quarter 45%

02:44

11:58

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

Sun - Rise: 04:53, Set: 21:13, Transit: 13:04. Moon - Rise: 02:44, Set: 11:58. Civil Dark: 22:00 - 04:07. Nautical Dark: 23:09 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

41
41
41
41
41
100
100
100
100
100
100
83
83
83
83
83
83
99
99
99
99
99
99
31

Low Clouds (% Sky Obscured)

36
36
36
36
36
99
99
99
99
99
99
83
83
83
83
83
83
22
22
22
22
22
22
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
36
36
36
36
36
36
22

High Clouds (% Sky Obscured)

8
8
8
8
8
96
96
96
96
96
96
0
0
0
0
0
0
98
98
98
98
98
98
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
8
8
9
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
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
None
None
None
None
None
None
None

Precipitation Probability (%)

14
21
22
12
4
3
3
3
4
5
8
10
12
17
15
6
3
3
3
4
5
5
5
4

Precipitation Amount (mm)

0.05
0.15
0.21
0.13
0.04
0.03
0.03
0.04
0.04
0.04
0.04
0.05
0.08
0.13
0.16
0.12
0.07
0.04
0.04
0.06
0.06
0.05
0.04
0.03

Wind Speed/Direction (mph)

11
11
12
7
7
13
12
13
14
14
15
15
14
12
11
8
8
11
9
9
12
10
12
14

Chance of Frost

Temperature (°C)

14
15
16
17
18
19
20
20
20
19
18
17
17
16
15
14
13
13
12
11
11
10
10
11

Feels Like (°C)

14
15
16
17
18
19
20
20
20
19
18
17
17
16
15
14
13
13
12
11
11
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

90
88
86
82
78
72
68
66
66
67
70
70
70
71
73
74
75
76
77
80
83
86
88
86

Pressure (mb)

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

Ozone (du)

317
318
319
318
317
316
317
319
321
323
325
328
333
340
342
338
331
325
323
324
324
323
322
322

Monday 27

Waning Crescent 43%

03:03

13:05

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

Sun - Rise: 04:52, Set: 21:15, Transit: 13:04. Moon - Rise: 03:03, Set: 13:05. Civil Dark: 22:01 - 04:05. Nautical Dark: 23:11 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

31
31
31
31
31
82
82
82
82
82
82
99
99
99
99
99
99
100
100
100
100
100
100
34

Low Clouds (% Sky Obscured)

21
21
21
21
21
27
27
27
27
27
27
16
16
16
16
16
16
17
17
17
17
17
17
7

Medium Clouds (% Sky Obscured)

22
22
22
22
22
80
80
80
80
80
80
64
64
64
64
64
64
7
7
7
7
7
7
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
98
98
98
98
98
98
99
99
99
99
99
99
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

2
0
0
0
0
1
1
1
1
2
3
3
2
2
2
0
0
0
0
0
0
4
12
26

Precipitation Amount (mm)

0.02
0
0
0
0
0.01
0.01
0.01
0.02
0.04
0.07
0.07
0.04
0.01
0.01
0
0
0
0
0
0
0.01
0.08
0.19

Wind Speed/Direction (mph)

14
14
14
13
12
11
11
11
11
11
11
10
9
8
8
7
6
6
6
5
5
3
3
5

Chance of Frost

Temperature (°C)

11
12
13
14
14
15
16
16
16
15
14
13
13
12
11
10
9
9
8
8
7
8
8
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
75
71
67
64
60
57
55
55
57
60
62
64
64
67
70
73
76
80
83
86
85
83
81

Pressure (mb)

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

Ozone (du)

322
323
324
326
329
331
332
332
334
338
344
348
350
350
350
350
350
351
354
357
359
359
358
356

Forecast for Lichfield, Staffordshire, UK (52.69,-1.81)

Generated: 21/05/19 08:31:18. Forecast: 21/05/19 to 27/05/19. Timezone: UTC+1.00