Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 85%

15:56

05:43

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
08 Bad

Sun - Rise: 06:33, Set: 20:48, Transit: 13:41. Moon - Rise: 15:56, Set: 05:43. Civil Dark: 21:24 - 05:56. Nautical Dark: 22:10 - 05:10. Astro Dark: 23:03 - 04:16

Total Clouds (% Sky Obscured)

100
100
100
99
100
86
89
43
62
54
63
70
74
77
75
79
79
75
87
69
74
72
77
89

Low Clouds (% Sky Obscured)

88
86
83
87
85
90
90
35
66
47
66
74
74
77
77
81
75
71
79
62
71
66
72
69

Medium Clouds (% Sky Obscured)

95
100
92
95
100
55
55
3
0
0
0
0
0
0
0
0
11
16
23
20
0
0
0
23

High Clouds (% Sky Obscured)

3
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)

9
6
5
7
8
8
7
9
9
9
9
9
9
9
9
9
9
6
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

60
54
85
69
70
56
30
30
26
27
9
19
27
31
32
29
52
57
38
38
36
35
31
40

Precipitation Amount (mm)

0.3
0.4
0.4
0.3
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
21
22
23
21
22
22
24
23
22
22
21
21
21
20
20
20
20
19
17
16
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
81
81
84
78
73
68
67
65
64
63
65
70
71
71
75
84
76
75
72
72
71
71

Pressure (mb)

1010
1010
1010
1010
1011
1011
1012
1012
1013
1014
1014
1015
1015
1016
1017
1017
1018
1018
1018
1019
1020
1020
1021
1022

Ozone (du)

385
390
396
403
411
412
410
404
402
401
403
405
406
409
412
410
411
409
412
414
409
405
401
399

Saturday 20

Waxing Gibbous 92%

17:06

05:52

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 OK
06 OK
07 OK
08 OK

Sun - Rise: 06:31, Set: 20:49, Transit: 13:41. Moon - Rise: 17:06, Set: 05:52. Civil Dark: 21:26 - 05:54. Nautical Dark: 22:12 - 05:07. Astro Dark: 23:06 - 04:13

Total Clouds (% Sky Obscured)

96
94
77
90
88
91
83
96
90
80
94
97
94
93
87
63
74
65
50
61
12
4
29
35

Low Clouds (% Sky Obscured)

72
87
69
76
73
76
73
88
69
65
91
85
82
88
86
56
69
58
36
57
11
3
24
27

Medium Clouds (% Sky Obscured)

37
9
18
22
26
30
0
18
35
14
38
42
34
6
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
4
0
5
59
18
16
9
5
18
4
12
4
4
4
4
4
0
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
9
9
9
9
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

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 (%)

32
19
26
25
35
38
33
28
25
29
29
27
18
32
30
31
32
31
27
20
10
7
8
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

Wind Speed/Direction (mph)

17
18
19
19
17
19
19
19
20
18
17
16
17
16
15
14
14
12
11
10
8
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
62
55
54
54
60
61
63
60
61
64
68
66
70
72
71
79
88
83
81
82
89
88
83

Pressure (mb)

1022
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027

Ozone (du)

399
400
400
401
403
404
403
402
401
400
401
402
403
403
403
403
402
403
405
410
413
414
415
420

Sunday 21

Waxing Gibbous 96%

18:16

06:01

09 OK
10 Bad
11 Bad
12 Bad
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 OK
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK

Sun - Rise: 06:29, Set: 20:51, Transit: 13:41. Moon - Rise: 18:16, Set: 06:01. Civil Dark: 21:28 - 05:52. Nautical Dark: 22:14 - 05:05. Astro Dark: 23:09 - 04:09

Total Clouds (% Sky Obscured)

29
41
51
69
82
81
74
89
58
48
21
4
4
4
7
1
11
18
2
0
1
2
1
27

Low Clouds (% Sky Obscured)

23
31
42
75
62
63
67
64
49
24
19
2
1
1
6
1
18
22
2
0
1
1
1
8

Medium Clouds (% Sky Obscured)

0
0
0
0
27
23
28
86
15
47
2
2
0
0
0
0
0
0
0
0
0
0
0
15

High Clouds (% Sky Obscured)

1
0
3
7
0
0
0
3
0
0
4
7
4
7
5
0
0
1
0
0
0
0
0
10

ISS Passover

Visibility (miles)

9
9
7
6
6
7
7
5
6
4
6
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

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

Precipitation Probability (%)

9
28
43
48
46
39
48
46
50
44
30
6
0
0
0
0
0
1
1
2
4
5
4
6

Precipitation Amount (mm)

0
0
0
0.2
0
0
0.2
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
1
1
1
2
3
3
3
3
2
3
3
3
2
1
1
1
2
2
1

Relative Humidity (%)

72
64
59
56
55
51
50
49
52
58
62
65
70
71
76
79
80
79
76
79
79
80
80
72

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1027
1027
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028

Ozone (du)

424
423
423
426
433
435
434
432
436
441
441
435
433
440
443
442
441
442
443
440
441
443
443
441

Monday 22

Waxing Gibbous 99%

19:27

06:11

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
08 Bad

Sun - Rise: 06:27, Set: 20:53, Transit: 13:41. Moon - Rise: 19:27, Set: 06:11. Civil Dark: 21:30 - 05:49. Nautical Dark: 22:17 - 05:02. Astro Dark: 23:12 - 04:06

Total Clouds (% Sky Obscured)

57
97
98
99
100
100
100
100
100
100
100
100
100
100
98
96
94
89
82
58
61
61
65
70

Low Clouds (% Sky Obscured)

15
35
42
51
61
51
41
31
32
28
31
29
28
26
18
9
0
0
0
0
10
20
30
44

Medium Clouds (% Sky Obscured)

32
66
78
67
99
99
100
100
100
100
100
100
100
100
98
97
94
90
84
47
44
44
37
43

High Clouds (% Sky Obscured)

30
96
93
83
90
85
80
79
86
92
100
92
87
69
44
75
75
70
7
0
1
2
3
2

ISS Passover

Visibility (miles)

9
9
7
9
9
9
9
9
9
9
9
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

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 (%)

20
35
25
27
20
14
19
9
11
12
5
6
8
8
11
11
5
9
8
2
5
5
3
16

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
58
59
54
50
48
45
42
47
48
51
52
53
55
57
59
63
64
67
71
75
78
82
78

Pressure (mb)

1028
1028
1028
1028
1027
1027
1026
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

440
440
440
436
432
433
437
437
432
425
423
422
424
426
426
426
425
423
422
422
424
430
433
434

Tuesday 23

Waxing Gibbous 100%

20:41

06:23

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

Sun - Rise: 06:25, Set: 20:54, Transit: 13:40. Moon - Rise: 20:41, Set: 06:23. Civil Dark: 21:32 - 05:47. Nautical Dark: 22:19 - 04:59. Astro Dark: 23:15 - 04:02

Total Clouds (% Sky Obscured)

70
76
72
84
82
76
66
66
57
41
28
86
87
89
91
94
97
97
97
97
94
91
88
87

Low Clouds (% Sky Obscured)

58
73
64
69
61
53
47
44
31
17
0
83
69
57
60
66
67
63
62
58
51
45
38
35

Medium Clouds (% Sky Obscured)

47
50
51
48
42
35
25
14
9
4
0
46
47
39
52
65
77
83
88
93
89
83
78
78

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
1
4
27
39
52
65
74
80
75
65
60
55
60
65
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
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

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 (%)

22
24
24
26
28
23
19
4
5
3
0
19
17
15
16
16
11
15
18
20
23
26
27
32

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
60
54
48
44
43
42
39
39
41
46
58
61
64
68
69
69
70
69
69
70
73
75
79

Pressure (mb)

1021
1021
1021
1020
1020
1020
1019
1019
1019
1018
1018
1018
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016

Ozone (du)

436
438
439
438
436
432
425
419
415
413
411
408
407
407
406
405
405
404
404
405
406
406
406
407

Wednesday 24

Full Moon 99%

21:57

06:38

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

Sun - Rise: 06:23, Set: 20:56, Transit: 13:40. Moon - Rise: 21:57, Set: 06:38. Civil Dark: 21:33 - 05:45. Nautical Dark: 22:21 - 04:57. Astro Dark: 23:18 - 03:59

Total Clouds (% Sky Obscured)

87
88
90
90
89
78
68
56
48
42
36
41
47
52
43
32
30
60
76
87
91
94
96
95

Low Clouds (% Sky Obscured)

31
28
37
49
56
49
42
35
27
17
9
20
36
52
43
40
35
45
45
50
58
68
78
74

Medium Clouds (% Sky Obscured)

77
75
69
58
45
35
22
15
13
12
12
10
6
2
16
34
45
51
58
64
51
37
23
23

High Clouds (% Sky Obscured)

64
64
51
30
11
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2

ISS Passover

Visibility (miles)

8
8
9
9
9
9
9
9
9
9
9
9
9
8
8
6
4
2
4
6
8
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

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

Precipitation Probability (%)

33
30
30
29
28
26
24
22
19
16
8
13
20
24
68
95
95
95
95
95
83
73
65
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.1
1.8
1.5
1.1
0.7
0.5
0.3
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
3
3
2
2
2
2
2
2
2
3
3
3
3
4
4
4
4
4
4
4
4
4

Relative Humidity (%)

74
69
63
61
59
56
56
57
58
61
64
68
71
75
79
83
88
94
94
93
94
91
90
88

Pressure (mb)

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

Ozone (du)

408
410
412
413
414
416
415
414
413
414
414
415
417
419
422
424
426
428
435
442
449
449
448
448

Thursday 25

Waning Gibbous 96%

23:16

06:58

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
00 Bad
01 Bad

Sun - Rise: 06:21, Set: 20:58, Transit: 13:40. Moon - Rise: 23:16, Set: 06:58. Civil Dark: 21:35 - 05:43. Nautical Dark: 22:23 - 04:54. Astro Dark: 23:21 - 03:55

Total Clouds (% Sky Obscured)

94
92
88
87
89
80
70
59
49
39
23
27
29
33
40
45
50

Low Clouds (% Sky Obscured)

70
67
72
74
75
66
58
50
41
31
20
24
30
41
34
30
28

Medium Clouds (% Sky Obscured)

24
24
34
38
46
36
27
18
13
7
1
5
9
12
15
20
24

High Clouds (% Sky Obscured)

2
1
1
1
0
0
0
0
0
0
1
2
3
3
12
21
32

ISS Passover

Visibility (miles)

9
9
9
9
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

46
24
24
24
20
22
24
25
22
18
8
9
8
2
5
7
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
3
3
3
6
6
5
5
5
5
5
5
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

78
70
63
60
56
52
54
57
58
61
62
63
66
70
74
75
78

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

446
444
442
441
441
440
441
441
442
440
438
436
435
434
434
435
435

Forecast for De Hoek, Nissewaard, Netherlands (51.86,4.30)

Generated: 19/04/24 09:08:17. Forecast: 19/04/24 to 25/04/24. Timezone: UTC+2.00