Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waxing Gibbous 98%

15:17

06:51

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

Sun - Rise: 08:38, Set: 17:08, Transit: 12:53. Moon - Rise: 15:17, Set: 06:51. Civil Dark: 17:46 - 08:00. Nautical Dark: 18:28 - 07:19. Astro Dark: 19:08 - 06:38

Total Clouds (% Sky Obscured)

96
94
66
78
46
16
2
2
2
0
2
2
2
4
2
1
1
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

9
4
3
2
1
0
0
1
1
0
2
2
2
1
1
1
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
2
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)

95
94
65
77
46
16
2
2
1
0
0
0
1
3
2
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
9
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)

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

Chance of Frost

Temperature (°C)

-2
-2
-3
-2
-2
-1
0
1
2
2
2
2
1
0
-0
-0
-1
-1
-2
-2
-2
-3
-3
-4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
92
89
83
77
72
69
67
67
68
70
72
72
72
73
75
78
80
81
82
83
85

Pressure (mb)

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

Ozone (du)

360
361
361
362
363
363
364
365
365
365
366
366
367
368
369
371
372
373
374
374
375
375
376
376

Sunday 20

Waxing Gibbous 100%

16:22

07:56

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
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 08:37, Set: 17:09, Transit: 12:53. Moon - Rise: 16:22, Set: 07:56. Civil Dark: 17:47 - 07:59. Nautical Dark: 18:29 - 07:18. Astro Dark: 19:09 - 06:38

Total 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

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)

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)

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

Chance of Frost

Temperature (°C)

-4
-4
-4
-3
-3
-2
-0
1
2
2
2
2
0
-0
-1
-2
-2
-2
-3
-3
-3
-3
-3
-4

Feels Like (°C)

-9
-9
-9
-8
-8
-6
-4
-3
-1
-1
-1
-2
-3
-4
-5
-5
-5
-5
-5
-5
-5
-5
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

86
85
82
78
73
69
63
59
56
56
56
58
62
64
66
67
67
68
68
68
69
69
71
72

Pressure (mb)

1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1019
1020
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

376
376
377
377
376
374
372
370
368
366
364
364
365
365
365
364
363
364
365
365
365
364
363
363

Monday 21

Full Moon 99%

17:38

08:50

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

Sun - Rise: 08:36, Set: 17:11, Transit: 12:54. Moon - Rise: 17:38, Set: 08:50. Civil Dark: 17:49 - 07:58. Nautical Dark: 18:31 - 07:17. Astro Dark: 19:10 - 06:37

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
9
43
13
4
6
8
11
27
27
27
27
27
27
99
99
99
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
4
6
8
2
1
1
1
1
1
1
5
5
5
5
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
97
97
97
97
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
9
43
12
0
0
1
9
26
26
26
26
26
26
98
98
98
98
98

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
Snow

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
7

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
0.03

Wind Speed/Direction (mph)

2
1
2
3
3
4
5
6
6
6
7
7
8
9
10
11
12
13
13
14
16
17
18
20

Chance of Frost

Temperature (°C)

-4
-3
-3
-2
-2
0
2
3
4
4
4
3
2
1
1
1
1
0
-0
-0
-1
-1
-2
-1

Feels Like (°C)

-4
-3
-3
-2
-4
-2
-1
1
2
2
1
-0
-2
-3
-4
-4
-4
-5
-6
-6
-7
-8
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

73
72
70
68
66
61
57
55
55
57
62
66
70
74
76
76
78
80
83
85
86
85
85
86

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021
1021
1020
1019
1019
1018
1017
1015
1014
1012
1010
1008
1006

Ozone (du)

363
363
362
360
359
357
356
355
355
354
355
355
357
358
359
361
361
360
359
358
359
361
363
367

Tuesday 22

Waning Gibbous 95%

19:01

09:33

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
01 Bad
02 OK
03 OK
04 OK
05 OK

Sun - Rise: 08:35, Set: 17:13, Transit: 12:54. Moon - Rise: 19:01, Set: 09:33. Civil Dark: 17:51 - 07:57. Nautical Dark: 18:32 - 07:16. Astro Dark: 19:12 - 06:36

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
38
38
38
38
38
38
20
20
20
20
20

Low Clouds (% Sky Obscured)

5
2
2
2
2
2
2
99
99
99
99
99
99
38
38
38
38
38
38
12
12
12
12
12

Medium Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
100
100
100
8
8
8
8
8
8
2
2
2
2
2

High Clouds (% Sky Obscured)

98
99
99
99
99
99
99
99
99
99
99
99
99
0
0
0
0
0
0
11
11
11
11
11

ISS Passover

Visibility (miles)

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

Snow
Snow
Snow
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
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
Snow

Precipitation Probability (%)

17
31
37
38
40
45
45
30
29
24
20
22
23
29
31
27
24
20
15
12
11
8
6
11

Precipitation Amount (mm)

0.15
0.35
0.63
1.03
1.27
1.04
0.61
0.33
0.19
0.1
0.08
0.13
0.28
0.45
0.55
0.6
0.57
0.41
0.25
0.16
0.08
0.02
0.03
0.11

Wind Speed/Direction (mph)

21
22
22
21
21
19
19
19
17
15
13
12
12
12
11
11
12
11
10
10
9
8
8
4

Chance of Frost

Temperature (°C)

-1
-0
-0
0
1
1
2
2
3
3
4
3
3
3
2
2
2
1
1
1
1
1
1
0

Feels Like (°C)

-8
-8
-7
-7
-6
-5
-4
-4
-3
-1
-1
-1
-1
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-2

Dew Point (°C)

-3
-2
-2
-1
-0
0
0
1
1
1
2
1
1
1
1
1
1
0
0
0
0
0
0
0

Relative Humidity (%)

86
87
89
92
94
93
91
90
88
87
86
87
88
89
91
92
93
93
93
93
93
94
95
98

Pressure (mb)

1004
1003
1001
1000
999
999
998
997
997
996
996
995
995
995
994
994
994
993
993
992
992
991
991
991

Ozone (du)

372
376
381
387
394
403
413
422
428
432
436
440
443
446
450
454
456
457
458
457
457
457
456
455

Wednesday 23

Waning Gibbous 88%

20:26

10:07

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
00 Bad
01 OK
02 OK
03 OK
04 Bad
05 Bad

Sun - Rise: 08:34, Set: 17:15, Transit: 12:54. Moon - Rise: 20:26, Set: 10:07. Civil Dark: 17:52 - 07:56. Nautical Dark: 18:33 - 07:15. Astro Dark: 19:13 - 06:35

Total Clouds (% Sky Obscured)

20
100
100
100
100
100
100
100
100
100
100
100
100
89
89
89
89
89
89
39
39
39
39
39

Low Clouds (% Sky Obscured)

12
100
100
100
100
100
100
100
100
100
100
100
100
89
89
89
89
89
89
38
38
38
38
38

Medium Clouds (% Sky Obscured)

2
6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4

High Clouds (% Sky Obscured)

11
13
13
13
13
13
13
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
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

13
16
16
14
5
5
5
6
5
5
0
0
5
5
5
2
2
1
0
0
2
2
2
2

Precipitation Amount (mm)

0.32
0.49
0.33
0.12
0.04
0.03
0.03
0.03
0.02
0.01
0
0
0.01
0.02
0.03
0.02
0.02
0.01
0
0
0.01
0.01
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-0
-0
-0
0
1
2
2
2
2
2
1
1
0
-0
-1
-1
-1
-1
-2
-2
-2
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

-0
-0
-0
0
0
1
1
1
1
1
0
0
-1
-1
-1
-2
-2
-2
-3
-3
-3
-2
-2
-2

Relative Humidity (%)

100
100
100
98
94
92
92
93
93
93
94
94
94
95
95
94
93
94
94
95
94
94
93
92

Pressure (mb)

990
990
990
990
990
991
991
991
991
991
991
991
992
993
993
994
994
995
995
995
996
996
997
997

Ozone (du)

454
452
452
451
450
450
449
448
446
444
441
439
436
435
433
432
432
432
433
434
434
434
433
433

Thursday 24

Waning Gibbous 79%

21:49

10:36

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 08:33, Set: 17:16, Transit: 12:54. Moon - Rise: 21:49, Set: 10:36. Civil Dark: 17:54 - 07:55. Nautical Dark: 18:35 - 07:14. Astro Dark: 19:15 - 06:34

Total Clouds (% Sky Obscured)

39
63
63
63
63
63
63
48
48
48
48
48
48
70
70
70
70
70
70
45
45
45
45
45

Low Clouds (% Sky Obscured)

38
63
63
63
63
63
63
48
48
48
48
48
48
56
56
56
56
56
56
33
33
33
33
33

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
0
0
0
0
0
34
34
34
34
34
34
19
19
19
19
19

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
6
3
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
Snow
Snow
Snow

Precipitation Probability (%)

2
2
2
3
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
4
8
9
6

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.02
0.02
0.02
0.01
0.01
0.02
0.09
0.15
0.12

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-0
0
0
0
-0
-0
-1
-1
-1
-1
-1
-2
-2
-2
-1
-1
-1
-2
-2
-1
-1
-1

Feels Like (°C)

-6
-6
-6
-5
-5
-5
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7

Dew Point (°C)

-2
-2
-1
-1
-1
-2
-2
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-3
-3

Relative Humidity (%)

92
92
92
91
88
86
85
84
83
82
82
82
83
84
84
85
85
84
83
84
86
89
89
86

Pressure (mb)

998
998
999
1000
1001
1001
1002
1002
1002
1003
1003
1003
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

432
431
429
426
424
423
422
421
418
414
411
409
407
406
408
411
413
416
418
420
421
421
421
422

Friday 25

Waning Gibbous 68%

23:09

11:00

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
01 Good
02 Good
03 Good
04 OK
05 OK

Sun - Rise: 08:31, Set: 17:18, Transit: 12:55. Moon - Rise: 23:09, Set: 11:00. Civil Dark: 17:55 - 07:54. Nautical Dark: 18:37 - 07:13. Astro Dark: 19:16 - 06:33

Total Clouds (% Sky Obscured)

45
58
58
58
58
58
58
17
17
17
17
17
17
95
95
95
95
95
95
9
9
9
9
9

Low Clouds (% Sky Obscured)

33
39
39
39
39
39
39
17
17
17
17
17
17
95
95
95
95
95
95
7
7
7
7
7

Medium Clouds (% Sky Obscured)

19
56
56
56
56
56
56
0
0
0
0
0
0
9
9
9
9
9
9
8
8
8
8
8

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
9
7
5

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
Snow

Precipitation Probability (%)

3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
8

Precipitation Amount (mm)

0.07
0.04
0.02
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-2
-2
-3
-2
-2
-1
0
1
1
1
1
-0
-1
-1
-2
-2
-2
-2
-2
-2
-2
-1
-1

Feels Like (°C)

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

Dew Point (°C)

-4
-5
-5
-5
-5
-5
-4
-3
-3
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3

Relative Humidity (%)

83
82
82
81
81
80
79
78
75
74
74
77
81
84
84
83
82
82
82
82
82
83
83
85

Pressure (mb)

1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

424
425
426
426
426
426
426
426
426
425
424
423
422
421
420
420
420
421
422
422
423
424
424
425

Forecast for Spijkenisse, Spijkenisse, NL (51.86,4.30)

Generated: 19/01/19 06:10:08. Forecast: 19/01/19 to 25/01/19. Timezone: UTC+1.00