Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Gibbous 99%

15:49

07:19

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

Sun - Rise: 07:06, Set: 17:23, Transit: 12:16. Moon - Rise: 15:49, Set: 07:19. Civil Dark: 17:57 - 06:33. Nautical Dark: 18:36 - 05:54. Astro Dark: 19:14 - 05:16

Total Clouds (% Sky Obscured)

100
100
100
91
98
90
43
3
0
0
0
0
0
1
1
1
0
0
0
1
9
12
22
30

Low Clouds (% Sky Obscured)

22
20
21
16
20
8
6
2
0
0
0
0
0
1
1
0
0
0
0
0
1
2
20
22

Medium Clouds (% Sky Obscured)

100
100
100
90
98
88
38
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
9

High Clouds (% Sky Obscured)

93
41
8
4
16
14
20
2
0
0
0
0
0
0
0
0
0
0
0
1
8
10
2
9

ISS Passover

Visibility (miles)

3
0
0
1
1
3
6
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

Light Rain
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
None
None
None

Precipitation Probability (%)

100
100
37
33
19
11
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.41
0.47
0.29
0.22
0.12
0.06
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
90
85
84
84
84
84
85
86
86
86
88
91
94
94
95
95
96
95
91
85
76
69

Pressure (mb)

1015
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1020
1020
1020
1020

Ozone (du)

366
372
376
380
384
388
396
405
410
410
406
400
390
379
368
360
353
347
341
335
331
327
324
321

Tuesday 19

Full Moon 100%

17:13

07:51

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
09 OK
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:04, Set: 17:25, Transit: 12:15. Moon - Rise: 17:13, Set: 07:51. Civil Dark: 17:59 - 06:31. Nautical Dark: 18:37 - 05:52. Astro Dark: 19:16 - 05:14

Total Clouds (% Sky Obscured)

81
100
100
100
99
98
100
99
95
91
97
96
90
91
88
87
66
82
79
59
38
76
73
75

Low Clouds (% Sky Obscured)

72
79
56
56
38
13
9
16
24
6
10
1
1
1
15
18
25
22
9
7
7
34
41
67

Medium Clouds (% Sky Obscured)

11
76
98
95
95
75
91
78
50
52
27
38
63
73
44
23
16
17
20
18
0
2
8
1

High Clouds (% Sky Obscured)

34
100
100
98
89
95
99
98
91
88
96
95
84
84
80
83
54
74
73
48
33
63
52
23

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
7
4
2
2
3
7
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
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

Precipitation Probability (%)

0
4
4
4
4
4
3
0
0
0
0
6
7
11
13
9
6
4
4
0
0
0
0
0

Precipitation Amount (mm)

0
0.01
0.02
0.03
0.03
0.02
0.01
0
0
0
0
0.02
0.04
0.07
0.1
0.08
0.04
0.02
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
13
13
12
11
11
11
11
11
11
11
12
12
12
12
11
11
12
12
13
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
64
64
65
67
69
69
70
71
73
74
76
79
81
83
84
84
83
84
84
85
83
80
76

Pressure (mb)

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

Ozone (du)

319
317
316
316
317
318
318
318
317
317
316
315
315
315
315
316
318
319
320
322
323
324
324
325

Wednesday 20

Waning Gibbous 97%

18:39

08:18

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

Sun - Rise: 07:02, Set: 17:26, Transit: 12:15. Moon - Rise: 18:39, Set: 08:18. Civil Dark: 18:00 - 06:29. Nautical Dark: 18:39 - 05:50. Astro Dark: 19:17 - 05:12

Total Clouds (% Sky Obscured)

97
92
91
93
73
16
8
28
68
40
14
70
15
4
9
18
31
66
66
66
66
66
66
100

Low Clouds (% Sky Obscured)

96
92
91
84
60
9
4
8
17
15
3
4
6
2
1
2
1
14
14
14
14
14
14
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
9
4
21
60
30
1
52
2
2
8
17
31
61
61
61
61
61
61
0

High Clouds (% Sky Obscured)

5
0
0
54
34
0
0
9
23
2
11
45
9
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 (%)

0
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.01
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
14
12
11
10
9
9
9
9
9
9
9
9
9
8
9
9
10
10
11
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
71
70
71
74
76
80
83
86
87
87
87
86
85
85
87
91
94
97
97
97
92
84
76

Pressure (mb)

1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1026
1026
1027
1027

Ozone (du)

326
328
329
330
332
333
334
335
334
333
330
328
327
326
325
324
324
324
323
323
323
322
321
320

Thursday 21

Waning Gibbous 91%

20:03

08:43

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
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

Sun - Rise: 07:00, Set: 17:28, Transit: 12:15. Moon - Rise: 20:03, Set: 08:43. Civil Dark: 18:02 - 06:27. Nautical Dark: 18:40 - 05:48. Astro Dark: 19:19 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
69

Low Clouds (% Sky Obscured)

100
100
100
100
100
1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
79
79
79
79
79
79
69

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
100
100
100
100
100
100
100
100
100
100
100
100
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
14
13
11
10
7
6
6
5
5
5
5
4
4
4
3
3
4
4
5
8
12
14

Dew Point (°C)

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

Relative Humidity (%)

70
66
65
67
70
73
77
81
84
86
87
87
88
89
89
90
93
94
95
94
92
86
77
70

Pressure (mb)

1027
1027
1027
1028
1028
1029
1029
1030
1030
1031
1031
1032
1032
1032
1032
1032
1033
1033
1034
1034
1035
1035
1035
1035

Ozone (du)

319
319
318
316
315
313
311
309
306
305
303
302
302
302
302
302
301
301
301
300
299
299
298
297

Friday 22

Waning Gibbous 83%

21:24

09:07

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Good
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 Good
08 Good
09 Good
10 Good
11 Good
12 OK

Sun - Rise: 06:58, Set: 17:30, Transit: 12:15. Moon - Rise: 21:24, Set: 09:07. Civil Dark: 18:04 - 06:25. Nautical Dark: 18:42 - 05:46. Astro Dark: 19:21 - 05:08

Total Clouds (% Sky Obscured)

69
69
69
69
69
6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0
0
0
31

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
31

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)

69
69
69
69
69
6
6
6
6
6
6
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 (%)

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)

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

Chance of Frost

Temperature (°C)

15
16
15
14
12
11
10
9
8
8
8
8
8
8
7
7
6
5
5
6
8
10
12
14

Feels Like (°C)

15
16
15
14
12
11
8
8
7
6
6
6
6
6
5
4
3
3
3
5
6
8
12
14

Dew Point (°C)

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

Relative Humidity (%)

65
62
62
65
69
73
77
80
82
84
85
86
87
87
88
90
92
94
94
93
89
81
72
64

Pressure (mb)

1035
1035
1035
1035
1035
1035
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036

Ozone (du)

296
295
295
295
295
295
295
295
295
295
295
295
294
294
293
292
291
290
289
287
286
284
283
282

Saturday 23

Waning Gibbous 74%

22:43

09:31

13 OK
14 OK
15 OK
16 OK
17 OK
18 Good
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 Good
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 06:56, Set: 17:32, Transit: 12:15. Moon - Rise: 22:43, Set: 09:31. Civil Dark: 18:05 - 06:23. Nautical Dark: 18:44 - 05:44. Astro Dark: 19:22 - 05:06

Total Clouds (% Sky Obscured)

31
31
31
31
31
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Low Clouds (% Sky Obscured)

31
31
31
31
31
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

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)

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
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)

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

Chance of Frost

Temperature (°C)

16
16
16
15
13
12
11
10
9
9
8
7
7
6
6
5
4
4
4
5
7
9
11
14

Feels Like (°C)

16
16
16
15
13
12
11
10
8
7
6
6
5
5
4
3
3
2
3
4
6
8
11
14

Dew Point (°C)

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

Relative Humidity (%)

60
57
58
61
64
66
70
73
77
81
84
86
87
88
89
92
94
96
97
96
93
85
77
69

Pressure (mb)

1035
1035
1035
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034

Ozone (du)

281
281
280
280
279
278
278
276
275
274
272
271
271
271
270
269
267
265
263
262
260
259
259
259

Sunday 24

Waning Gibbous 63%

23:58

09:58

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

Sun - Rise: 06:54, Set: 17:34, Transit: 12:15. Moon - Rise: 23:58, Set: 09:58. Civil Dark: 18:07 - 06:21. Nautical Dark: 18:46 - 05:42. Astro Dark: 19:24 - 05:04

Total Clouds (% Sky Obscured)

1
1
1
1
1
21
21
21
21
21
21
31
31
31
31
31
31
100
100
100
100
100
100
41

Low Clouds (% Sky Obscured)

1
1
1
1
1
0
0
0
0
0
0
9
9
9
9
9
9
100
100
100
100
100
100
6

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)

0
0
0
0
0
21
21
21
21
21
21
23
23
23
23
23
23
0
0
0
0
0
0
38

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
100
100
100
100
100
100
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)

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

Chance of Frost

Temperature (°C)

15
16
16
14
13
11
10
9
8
7
7
6
6
6
5
5
4
4
5
6
7
9
12
14

Feels Like (°C)

15
16
16
14
13
11
10
8
7
6
6
5
5
5
4
4
3
3
3
4
6
8
12
14

Dew Point (°C)

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

Relative Humidity (%)

64
61
62
66
72
76
79
82
85
87
88
88
89
89
90
92
94
96
96
96
93
86
77
69

Pressure (mb)

1033
1033
1033
1032
1033
1033
1033
1033
1033
1033
1034
1034
1033
1033
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034

Ozone (du)

259
259
260
262
264
266
268
270
272
274
275
276
278
280
281
283
285
286
288
291
293
295
296
298

Forecast for Guildford, Surrey, UK (51.24,-0.57)

Generated: 18/02/19 13:02:09. Forecast: 18/02/19 to 24/02/19. Timezone: UTC+0.00