Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waning Gibbous 97%

22:06

07:54

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
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good

Sun - Rise: 06:28, Set: 20:48, Transit: 13:38. Moon - Rise: 22:06, Set: 07:54. Civil Dark: 21:25 - 05:50. Nautical Dark: 22:11 - 05:03. Astro Dark: 23:06 - 04:07

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)

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)

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

Chance of Frost

Temperature (°C)

15
14
14
13
12
12
11
10
9
9
10
11
13
15
17
18
19
20
20
21
20
20
19
18

Feels Like (°C)

15
14
14
13
12
12
11
8
7
7
8
11
13
15
17
18
19
20
20
21
20
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

55
56
51
49
50
53
55
57
59
59
57
54
50
46
44
41
39
37
35
35
35
37
38
40

Pressure (mb)

1028
1028
1028
1028
1027
1027
1026
1026
1025
1025
1025
1024
1024
1024
1023
1022
1021
1021
1020
1019
1019
1018
1018
1017

Ozone (du)

332
330
328
327
325
324
323
322
321
321
321
321
321
322
322
323
323
324
324
325
326
327
327
328

Sunday 21

Waning Gibbous 91%

23:23

08:24

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
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Good
20 Good
21 Good

Sun - Rise: 06:26, Set: 20:50, Transit: 13:38. Moon - Rise: 23:23, Set: 08:24. Civil Dark: 21:27 - 05:48. Nautical Dark: 22:13 - 05:00. Astro Dark: 23:09 - 04:04

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
9
0
25
54
84
96
93
21
6
0
15

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
9
0
25
54
84
96
93
21
6
0
15

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)

7
8
9
9
9
9
9
9
9
10
10
10
10
11
11
12
13
14
15
16
17
17
17
18

Chance of Frost

Temperature (°C)

16
15
15
14
13
12
11
11
10
11
11
13
15
17
18
20
21
22
22
22
21
21
19
18

Feels Like (°C)

16
15
15
14
13
12
11
11
10
11
11
13
15
17
18
20
21
22
22
22
21
21
19
18

Dew Point (°C)

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

Relative Humidity (%)

41
43
46
49
53
57
62
65
67
66
64
58
53
48
44
41
38
35
34
34
36
38
41
42

Pressure (mb)

1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1011
1010
1009
1009
1008
1008
1007
1007
1007

Ozone (du)

329
329
330
330
331
331
332
333
335
337
338
337
335
333
332
331
330
329
329
329
329
329
330
330

Monday 22

Waning Gibbous 84%

00:35

09:00

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

Sun - Rise: 06:23, Set: 20:52, Transit: 13:38. Moon - Rise: 00:35, Set: 09:00. Civil Dark: 21:29 - 05:46. Nautical Dark: 22:15 - 04:58. Astro Dark: 23:12 - 04:00

Total Clouds (% Sky Obscured)

89
92
95
93
89
89
41
48
76
98
25
48
50
32
23
15
1
1
0
60
98
56
33
33

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
2
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
60
98
56
33
33

High Clouds (% Sky Obscured)

89
92
95
93
89
89
41
48
76
98
25
48
50
32
23
15
1
1
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)

19
19
19
18
18
18
17
17
17
17
17
18
18
18
19
19
19
20
20
21
20
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
43
44
44
45
47
49
52
53
54
54
54
53
52
50
48
46
45
44
45
46
47
49
52

Pressure (mb)

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

Ozone (du)

330
331
332
333
334
335
336
337
338
339
341
342
344
346
348
350
352
354
356
357
358
359
360
360

Tuesday 23

Waning Gibbous 76%

01:40

09:44

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

Sun - Rise: 06:21, Set: 20:53, Transit: 13:37. Moon - Rise: 01:40, Set: 09:44. Civil Dark: 21:31 - 05:44. Nautical Dark: 22:17 - 04:55. Astro Dark: 23:15 - 03:57

Total Clouds (% Sky Obscured)

33
33
33
33
0
0
0
0
0
0
36
36
36
36
36
36
82
82
82
82
82
82
71
71

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
9
9
9
9
9
9
2
2

Medium Clouds (% Sky Obscured)

33
33
33
33
0
0
0
0
0
0
33
33
33
33
33
33
39
39
39
39
39
39
18
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
73
73
73
73
73
73
66
66

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
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
5
5
4
4
5
6
7
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.12
0.22
0.18
0.13
0.14
0.17
0.2
0.21
0.19

Wind Speed/Direction (mph)

16
15
15
15
14
14
13
13
12
12
11
10
9
10
12
15
17
16
13
11
10
6
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
57
58
59
61
63
65
67
68
68
67
64
59
55
54
54
53
51
50
50
52
54
57
61

Pressure (mb)

999
1000
999
999
999
998
998
998
998
998
998
998
999
999
1000
1000
1001
1001
1001
1001
1001
1002
1002
1003

Ozone (du)

361
362
362
362
362
361
361
361
361
362
364
366
369
371
373
375
375
374
372
370
370
371
372
374

Wednesday 24

Waning Gibbous 67%

02:35

10:35

22 Bad
23 Bad
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

Sun - Rise: 06:19, Set: 20:55, Transit: 13:37. Moon - Rise: 02:35, Set: 10:35. Civil Dark: 21:33 - 05:41. Nautical Dark: 22:20 - 04:52. Astro Dark: 23:18 - 03:53

Total Clouds (% Sky Obscured)

71
71
71
71
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
35
35
35
35
35
35
19
19

Medium Clouds (% Sky Obscured)

18
18
18
18
88
88
88
88
88
88
25
25
25
25
25
25
22
22
22
22
22
22
50
50

High Clouds (% Sky Obscured)

66
66
66
66
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
98
98

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

11
15
15
16
14
10
11
15
19
22
23
24
20
17
10
7
5
7
13
18
22
25
29
30

Precipitation Amount (mm)

0.22
0.29
0.28
0.23
0.16
0.09
0.11
0.2
0.23
0.2
0.19
0.24
0.3
0.29
0.16
0.05
0.03
0.06
0.12
0.18
0.24
0.34
0.41
0.33

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
14
13
13
13
13
13
13
13
13
14
14
15
17
18
18
18
17
17
16
16
15

Feels Like (°C)

16
15
15
14
13
13
13
13
13
13
13
13
14
14
15
17
18
18
18
17
17
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

65
68
71
73
76
77
78
79
80
81
81
79
77
73
68
61
56
54
56
58
60
61
62
68

Pressure (mb)

1004
1004
1005
1005
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1005

Ozone (du)

375
378
384
391
395
393
387
382
380
378
377
377
378
378
378
377
376
376
376
376
375
373
373
376

Thursday 25

Waning Gibbous 57%

03:20

11:32

22 Bad
23 Bad
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

Sun - Rise: 06:17, Set: 20:57, Transit: 13:37. Moon - Rise: 03:20, Set: 11:32. Civil Dark: 21:35 - 05:39. Nautical Dark: 22:22 - 04:50. Astro Dark: 23:21 - 03:49

Total Clouds (% Sky Obscured)

99
99
99
99
100
100
100
100
100
100
88
88
88
88
88
88
50
50
50
50
50
50
93
93

Low Clouds (% Sky Obscured)

19
19
19
19
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13
13
13
13
30
30

Medium Clouds (% Sky Obscured)

50
50
50
50
84
84
84
84
84
84
0
0
0
0
0
0
50
50
50
50
50
50
34
34

High Clouds (% Sky Obscured)

98
98
98
98
99
99
99
99
99
99
88
88
88
88
88
88
0
0
0
0
0
0
90
90

ISS Passover

Visibility (miles)

6
6
7
9
10
10
9
9
8
8
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
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

23
20
11
3
0
0
5
8
8
8
3
0
0
0
0
7
8
6
3
1
0
0
0
0

Precipitation Amount (mm)

0.2
0.1
0.04
0.01
0
0
0.02
0.04
0.03
0.01
0.01
0
0
0
0
0.03
0.04
0.03
0.02
0.01
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
11
10
10
10
10
10
10
10
10
11
11
11
11
11
12
12
11
11
11
11
12

Chance of Frost

Temperature (°C)

13
12
12
12
11
11
11
10
10
10
10
11
12
13
13
14
15
15
16
16
15
15
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
81
80
77
75
75
77
78
80
81
80
76
71
67
65
62
59
55
52
51
52
54
55
57

Pressure (mb)

1006
1006
1007
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1015

Ozone (du)

381
384
384
384
384
386
389
392
395
398
400
399
396
395
394
395
396
398
401
401
397
391
385
380

Friday 26

Waning Gibbous 47%

03:56

12:34

22 Bad
23 Bad
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 Good
21 Good

Sun - Rise: 06:15, Set: 20:58, Transit: 13:37. Moon - Rise: 03:56, Set: 12:34. Civil Dark: 21:37 - 05:37. Nautical Dark: 22:24 - 04:47. Astro Dark: 23:25 - 03:46

Total Clouds (% Sky Obscured)

93
93
93
93
81
81
81
81
81
81
48
48
48
48
48
48
95
95
95
95
95
95
1
1

Low Clouds (% Sky Obscured)

30
30
30
30
69
69
69
69
69
69
48
48
48
48
48
48
94
94
94
94
94
94
1
1

Medium Clouds (% Sky Obscured)

34
34
34
34
32
32
32
32
32
32
18
18
18
18
18
18
23
23
23
23
23
23
0
0

High Clouds (% Sky Obscured)

90
90
90
90
36
36
36
36
36
36
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
9
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
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

Precipitation Probability (%)

0
0
0
0
0
0
3
10
18
30
30
22
24
23
17
10
7
4
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.01
0.02
0.05
0.1
0.13
0.15
0.15
0.12
0.07
0.03
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
63
64
65
66
68
71
73
74
75
74
75
76
75
71
65
58
54
51
51
53
56
59
63

Pressure (mb)

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

Ozone (du)

375
370
367
364
362
359
357
356
357
359
362
368
374
380
386
392
396
397
396
395
393
390
389
388

Forecast for Netherlands (52.47,5.07)

Generated: 20/04/19 22:03:48. Forecast: 20/04/19 to 26/04/19. Timezone: UTC+2.00