Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

Waxing Gibbous 71%

14:05

03:13

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:02, Set: 20:41, Transit: 12:52. Moon - Rise: 14:05, Set: 03:13. Civil Dark: 21:21 - 04:21. Nautical Dark: 22:16 - 03:26. Astro Dark: 23:37 - 02:03

Total Clouds (% Sky Obscured)

86
91
93
100
97
100
99
100
100
100
96
98
89
81
81
66
69
58
54
57
56
59
93
100

Low Clouds (% Sky Obscured)

85
70
64
65
54
72
85
100
100
100
90
81
77
71
60
55
57
49
45
48
36
43
39
22

Medium Clouds (% Sky Obscured)

99
100
100
100
94
95
56
86
60
74
62
40
24
34
33
34
49
48
46
46
1
1
41
50

High Clouds (% Sky Obscured)

100
88
84
47
15
45
36
60
62
11
72
81
3
3
26
1
55
51
55
60
65
34
84
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
93
92
95
92
68
39
11
5
5
13
9
4
5
3
3
1
0
0
0
1
6
38
53

Precipitation Amount (mm)

2.2
0.7
0.6
0.9
0.8
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

14
13
12
10
7
5
6
4
2
2
3
3
3
2
2
2
1
2
2
2
3
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
10
9
9
9
10
10
10
10
9
8
9
9
9
8
9
9
9
11
13
14
16
14

Dew Point (°C)

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

Relative Humidity (%)

62
71
86
88
90
93
95
95
93
93
95
96
96
96
96
98
98
98
96
91
86
80
70
65

Pressure (mb)

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

Ozone (du)

382
382
382
382
381
381
381
382
385
389
393
396
398
397
398
398
397
397
398
400
402
401
398
397

Saturday 18

Waxing Gibbous 80%

15:14

03:23

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 OK
08 OK
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:01, Set: 20:42, Transit: 12:52. Moon - Rise: 15:14, Set: 03:23. Civil Dark: 21:23 - 04:20. Nautical Dark: 22:18 - 03:24. Astro Dark: 23:41 - 01:59

Total Clouds (% Sky Obscured)

100
100
99
99
100
98
90
88
94
97
100
100
96
100
100
100
77
52
61
41
36
99
57
100

Low Clouds (% Sky Obscured)

19
21
35
30
17
2
1
1
0
1
0
1
0
0
0
34
19
4
0
0
0
7
1
34

Medium Clouds (% Sky Obscured)

61
57
89
92
100
97
88
87
63
91
98
100
45
76
24
19
34
42
61
14
19
51
35
27

High Clouds (% Sky Obscured)

100
100
84
82
89
72
60
60
84
93
100
100
81
100
100
100
25
25
23
19
14
91
25
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

55
62
76
74
72
67
24
12
30
51
70
37
9
8
4
33
31
6
1
4
12
27
23
75

Precipitation Amount (mm)

0.3
0.3
0.6
0.7
0.7
0.4
0
0
0
0.2
0.6
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
18
18
18
17
17
16
15
13
12
12
12
11
11
10
10
10
10
12
15
16
17
18

Feels Like (°C)

15
15
15
16
16
16
17
16
15
12
11
11
11
10
9
9
9
9
10
12
15
17
16
17

Dew Point (°C)

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

Relative Humidity (%)

66
64
64
68
71
72
77
82
84
86
89
92
92
91
90
91
91
90
91
87
83
79
71
64

Pressure (mb)

1014
1013
1013
1013
1013
1013
1012
1012
1012
1012
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

396
393
393
394
396
397
396
389
382
381
383
384
387
389
390
391
391
392
393
392
392
392
391
392

Sunday 19

Waxing Gibbous 87%

16:23

03:34

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

Sun - Rise: 05:00, Set: 20:43, Transit: 12:52. Moon - Rise: 16:23, Set: 03:34. Civil Dark: 21:24 - 04:18. Nautical Dark: 22:21 - 03:22. Astro Dark: 23:46 - 01:54

Total Clouds (% Sky Obscured)

79
85
100
87
100
100
90
48
30
31
40
88
52
46
84
91
45
44
45
50
50
55
55
55

Low Clouds (% Sky Obscured)

48
36
45
41
39
64
34
21
33
34
36
40
33
39
44
45
44
54
37
0
9
19
28
27

Medium Clouds (% Sky Obscured)

20
18
21
30
62
70
30
18
0
0
0
0
0
0
36
63
51
62
68
69
61
46
27
51

High Clouds (% Sky Obscured)

83
87
100
88
98
100
79
25
1
8
29
91
66
70
93
88
72
72
85
80
85
85
85
85

ISS Passover

Visibility (miles)

7
5
3
4
6
9
6
8
4
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

75
83
95
95
95
95
82
58
41
3
17
2
0
0
0
0
0
0
0
0
4
4
8
20

Precipitation Amount (mm)

0.4
0.5
0.6
1.6
2.2
1.4
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
60
59
61
67
78
83
83
89
90
90
92
93
93
93
93
91
91
90
86
78
68
61
56

Pressure (mb)

1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1012
1013
1013
1013
1013
1013
1012

Ozone (du)

394
393
392
391
390
391
395
400
406
406
406
403
402
400
398
396
395
396
396
399
400
400
401
396

Monday 20

Waxing Gibbous 93%

17:33

03:47

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

Sun - Rise: 04:59, Set: 20:45, Transit: 12:52. Moon - Rise: 17:33, Set: 03:47. Civil Dark: 21:26 - 04:17. Nautical Dark: 22:23 - 03:20. Astro Dark: 23:50 - 01:49

Total Clouds (% Sky Obscured)

55
55
52
52
49
87
73
65
13
22
27
36
44
49
73
23
13
33
44
53
62
87
87
60

Low Clouds (% Sky Obscured)

25
24
28
31
35
24
13
0
14
27
41
36
30
25
21
15
10
7
3
0
9
18
25
30

Medium Clouds (% Sky Obscured)

73
90
81
64
52
30
15
0
9
17
28
24
20
13
9
4
0
16
30
38
39
41
48
54

High Clouds (% Sky Obscured)

85
80
81
80
76
75
50
25
4
6
7
33
57
76
69
26
3
29
51
68
76
93
92
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
25
31
35
40
47
51
55
43
28
0
0
0
0
0
1
0
0
0
1
5
7
21
30

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
22
22
22
23
23
19
17
16
16
15
14
14
13
12
11
13
12
14
17
18
18
18
20

Dew Point (°C)

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

Relative Humidity (%)

50
46
45
45
44
44
54
72
79
82
82
82
82
81
83
83
84
84
83
77
64
58
54
54

Pressure (mb)

1012
1012
1011
1011
1011
1010
1010
1010
1010
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

394
391
389
388
386
383
379
377
373
367
363
357
354
351
350
349
348
348
348
347
347
346
347
346

Tuesday 21

Waxing Gibbous 97%

18:47

04:02

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 04:57, Set: 20:46, Transit: 12:52. Moon - Rise: 18:47, Set: 04:02. Civil Dark: 21:27 - 04:16. Nautical Dark: 22:25 - 03:18. Astro Dark: 23:55 - 01:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
100
99
98
97
96
97
99
100
99
98
97
98

Low Clouds (% Sky Obscured)

50
72
66
64
60
61
56
53
37
43
51
55
58
61
68
73
76
78
80
81
83
86
89
89

Medium Clouds (% Sky Obscured)

95
97
86
76
67
71
75
78
52
52
25
67
63
71
72
72
73
72
71
72
76
81
87
88

High Clouds (% Sky Obscured)

92
100
95
82
77
81
81
96
100
100
100
98
100
92
88
84
83
91
96
100
78
56
38
60

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

25
23
38
54
73
71
69
69
56
49
35
46
52
63
77
63
41
44
45
47
63
69
73
80

Precipitation Amount (mm)

0
0
0
0.2
0.5
0.4
0.2
0.3
0.2
0
0
0
0.2
0.5
0.6
0.3
0
0
0
0
0.4
0.5
0.6
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
21
20
20
20
19
19
19
17
17
17
16
16
15
15
15
15
16
16
17
17
17
17

Feels Like (°C)

21
19
19
19
18
18
19
18
17
16
16
15
15
14
14
14
14
14
14
14
14
17
16
17

Dew Point (°C)

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

Relative Humidity (%)

53
63
67
69
67
64
64
63
68
74
71
69
74
83
89
89
89
89
87
87
87
87
89
89

Pressure (mb)

1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1006

Ozone (du)

343
341
340
340
340
340
341
341
342
344
346
350
353
352
351
351
351
351
351
350
349
348
348
348

Wednesday 22

Waxing Gibbous 100%

20:03

04:22

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 04:56, Set: 20:47, Transit: 12:52. Moon - Rise: 20:03, Set: 04:22. Civil Dark: 21:29 - 04:14. Nautical Dark: 22:27 - 03:16. Astro Dark: 00:01 - 01:39

Total Clouds (% Sky Obscured)

99
100
99
99
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

90
90
87
84
81
88
94
100
100
100
100
100
100
100
98
96
95
94
94
94
92
90
88
89

Medium Clouds (% Sky Obscured)

85
82
69
58
47
39
32
26
33
43
51
67
81
96
97
99
100
99
98
98
98
98
99
95

High Clouds (% Sky Obscured)

79
92
77
62
48
48
47
53
72
87
99
71
46
24
24
25
30
30
33
30
35
32
31
31

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

90
95
82
62
44
41
38
36
45
47
43
50
53
49
60
72
89
95
95
95
95
95
95
88

Precipitation Amount (mm)

0.7
1
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0.3
0.5
1
1.1
1.9
2
0.8
1.1
1.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
90
93
95
96
98
98
98
96
96
98
98
98
98
98
98
98
96
96
93
90
87

Pressure (mb)

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

Ozone (du)

349
350
351
352
354
355
355
355
356
355
354
354
354
354
354
356
358
360
360
360
360
360
360
360

Thursday 23

Full Moon 100%

21:21

04:50

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: 04:55, Set: 20:49, Transit: 12:52. Moon - Rise: 21:21, Set: 04:50. Civil Dark: 21:30 - 04:13. Nautical Dark: 22:29 - 03:14. Astro Dark: 00:06 - 01:32

Total Clouds (% Sky Obscured)

99
99
96
94
90
94
97
100
100
100
100
100
100
100
99
97
96
81
62
46

Low Clouds (% Sky Obscured)

89
90
91
92
92
93
94
96
88
80
63
63
62
62
67
67
72
70
68
70

Medium Clouds (% Sky Obscured)

92
88
81
75
69
73
77
81
86
91
94
85
76
67
64
60
56
54
49
43

High Clouds (% Sky Obscured)

33
35
33
30
27
50
74
98
86
70
60
59
57
60
63
62
65
48
32
18

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

82
81
59
46
37
38
37
32
28
21
10
42
47
32
28
50
70
46
22
17

Precipitation Amount (mm)

0.7
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
75
72
69
67
73
78
83
86
87
92
92
93
93
95
93
93
88
83

Pressure (mb)

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

Ozone (du)

362
363
365
365
365
365
365
364
363
362
361
360
362
363
364
365
366
367
366
365

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 17/05/24 12:29:48. Forecast: 17/05/24 to 23/05/24. Timezone: UTC+2.00