Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 100%

20:08

05:42

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
09 OK
10 Bad
11 Bad

Sun - Rise: 05:44, Set: 20:21, Transit: 13:04. Moon - Rise: 20:08, Set: 05:42. Civil Dark: 20:59 - 05:06. Nautical Dark: 21:48 - 04:16. Astro Dark: 22:48 - 03:15

Total Clouds (% Sky Obscured)

93
91
92
81
78
97
82
70
81
94
98
100
100
93
93
83
81
21
19
30
26
28
63
72

Low Clouds (% Sky Obscured)

79
82
87
79
75
96
81
68
79
93
98
100
100
91
91
79
75
15
17
28
23
28
61
71

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
2
2
13
2
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

62
68
62
5
4
5
7
4
3
0
0
4
0
0
1
4
6
2
4
4
4
3
0
0

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
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 (%)

3
1
3
2
0
1
1
0
0
1
1
4
5
5
2
1
1
1
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)

13
13
13
14
13
13
12
9
6
4
4
4
7
9
10
10
10
10
9
8
11
13
13
13

Chance of Frost

Temperature (°C)

8
9
10
10
10
10
9
8
7
6
6
6
6
6
5
5
4
3
2
2
4
5
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
58
56
55
55
59
68
71
78
76
72
74
72
74
75
72
72
73
80
77
67
60
58
57

Pressure (mb)

1024
1024
1024
1023
1023
1023
1022
1022
1022
1023
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

413
412
409
407
405
404
400
401
403
403
403
404
406
407
405
404
400
399
403
403
399
400
404
406

Wednesday 24

Full Moon 99%

21:26

05:56

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: 05:42, Set: 20:22, Transit: 13:03. Moon - Rise: 21:26, Set: 05:56. Civil Dark: 21:01 - 05:04. Nautical Dark: 21:51 - 04:13. Astro Dark: 22:52 - 03:11

Total Clouds (% Sky Obscured)

79
91
80
91
78
67
71
75
90
99
97
100
100
100
100
100
75
83
81
81
98
79
72
97

Low Clouds (% Sky Obscured)

79
91
80
91
77
67
66
71
84
91
54
43
43
36
16
26
25
56
47
67
83
62
58
65

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
35
29
40
100
54
5
35
38
40
37
53
31
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
0
5
73
95
99
100
100
99
94
79
64
46
53
43
24
4
43

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
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 (%)

0
0
0
0
0
0
1
0
1
4
6
4
0
0
0
0
0
1
2
4
4
3
17
11

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)

13
12
11
11
10
10
8
7
4
3
3
4
3
3
4
5
6
6
6
7
9
11
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
59
56
55
55
57
59
69
74
70
73
82
86
86
83
81
83
82
74
77
76
74
69
67

Pressure (mb)

1018
1018
1017
1017
1016
1015
1015
1014
1014
1014
1014
1013
1012
1012
1011
1010
1009
1008
1008
1007
1007
1006
1006
1005

Ozone (du)

408
411
414
416
414
411
409
402
400
398
397
397
398
399
402
405
409
412
412
411
410
410
409
409

Thursday 25

Waning Gibbous 96%

22:46

06:15

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: 05:40, Set: 20:24, Transit: 13:03. Moon - Rise: 22:46, Set: 06:15. Civil Dark: 21:03 - 05:01. Nautical Dark: 21:53 - 04:11. Astro Dark: 22:55 - 03:07

Total Clouds (% Sky Obscured)

100
100
99
100
97
94
95
94
89
88
99
100
94
88
91
98
97
98
100
99
99
98
99
99

Low Clouds (% Sky Obscured)

69
84
83
86
80
81
88
81
83
74
52
51
58
55
74
70
65
65
63
60
60
59
68
77

Medium Clouds (% Sky Obscured)

68
98
96
98
95
91
91
91
84
79
75
61
60
43
47
91
87
93
100
99
97
96
97
99

High Clouds (% Sky Obscured)

54
7
33
72
65
65
65
60
56
77
99
90
31
81
79
47
44
58
17
17
19
21
30
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4
9
3

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
Light Rain
Light Rain
None
Light Rain

Precipitation Probability (%)

24
29
39
37
40
34
28
23
19
13
4
4
13
1
1
2
7
15
16
42
57
58
55
79

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0
0.6

Wind Speed/Direction (mph)

13
12
11
10
9
8
7
5
4
2
3
3
3
4
4
5
5
5
5
5
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
4
4
5
4
4
4
2
1
-0
-1
-1
-2
-1
-1
-1
-1
-0
0
0
1

Dew Point (°C)

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

Relative Humidity (%)

66
68
63
61
58
59
65
71
75
76
83
96
96
93
94
93
89
89
88
83
85
88
93
94

Pressure (mb)

1004
1004
1004
1004
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005

Ozone (du)

410
410
409
408
408
409
410
409
409
411
414
416
415
415
417
418
418
419
419
420
419
419
421
423

Friday 26

Waning Gibbous 91%

00:06

06:43

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: 05:38, Set: 20:26, Transit: 13:03. Moon - Rise: 00:06, Set: 06:43. Civil Dark: 21:05 - 04:59. Nautical Dark: 21:56 - 04:08. Astro Dark: 22:59 - 03:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98
94
90
86
91
95

Low Clouds (% Sky Obscured)

85
85
85
85
90
95
99
96
94
91
91
91
90
93
95
98
92
85
79
80
79
78
69
50

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
94
70
83
63
63
75
72
79

High Clouds (% Sky Obscured)

94
80
61
45
40
45
53
49
40
40
54
63
71
63
58
55
65
67
83
57
50
34
25
80

ISS Passover

Visibility (miles)

3
4
4
9
9
9
4
9
7
4
1
0
0
0
0
0
0
0
0
0
0
1
8
4

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

Precipitation Probability (%)

90
84
71
55
54
71
88
80
94
95
95
95
93
74
68
75
65
72
65
50
52
35
45
59

Precipitation Amount (mm)

0.8
0.7
0.4
0
0
0.4
0.8
0.5
0.7
0.8
1
1
0.6
0.3
0.3
0.5
0.3
0.4
0.3
0
0.3
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
96
93
93
94
96
98
98
98
98
98
100
98
100
98
98
100
98
98
98
93
83

Pressure (mb)

1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1002
1002
1001
1001
1001
1001
1001
1001
1001
1000

Ozone (du)

424
426
427
430
431
431
430
432
434
434
434
434
433
432
432
432
433
432
432
434
435
435
434
436

Saturday 27

Waning Gibbous 83%

01:19

07:26

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: 05:36, Set: 20:28, Transit: 13:03. Moon - Rise: 01:19, Set: 07:26. Civil Dark: 21:07 - 04:57. Nautical Dark: 21:58 - 04:05. Astro Dark: 23:02 - 02:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
80
77
85
93
100
96
90
84
87
89
92
94
97

Low Clouds (% Sky Obscured)

50
63
71
78
83
87
91
85
79
72
75
69
72
81
90
100
95
91
87
85
82
78
82
87

Medium Clouds (% Sky Obscured)

96
86
100
87
100
100
100
100
100
100
97
72
72
78
83
89
67
41
16
36
56
77
63
47

High Clouds (% Sky Obscured)

100
91
100
100
100
94
100
100
100
100
42
41
50
68
76
88
66
36
5
7
13
20
54
67

ISS Passover

Visibility (miles)

5
5
3
9
6
4
9
4
2
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

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

Precipitation Probability (%)

64
82
91
95
94
95
82
95
88
55
57
61
66
95
95
95
82
66
44
50
56
62
64
65

Precipitation Amount (mm)

0.3
0.6
0.6
0.7
0.7
0.8
0.5
0.7
0.6
0
0
0
0.2
0.6
0.6
0.7
0.5
0.3
0
0
0.2
0.3
0.3
0.3

Wind Speed/Direction (mph)

15
16
16
15
15
13
12
11
9
9
8
9
9
10
9
8
8
9
11
13
14
16
17
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
10
11
10
10
10
10
9
9
9
9
8
8
8
8
8
8
8
8
7
7
8
8
8

Relative Humidity (%)

79
79
89
90
90
91
93
96
98
98
98
96
100
98
98
96
96
95
95
95
91
91
88
87

Pressure (mb)

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

Ozone (du)

437
438
436
437
436
437
438
438
439
438
443
444
444
446
446
445
444
443
443
442
440
438
437
436

Sunday 28

Waning Gibbous 74%

02:18

08:28

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: 05:34, Set: 20:29, Transit: 13:03. Moon - Rise: 02:18, Set: 08:28. Civil Dark: 21:09 - 04:54. Nautical Dark: 22:00 - 04:02. Astro Dark: 23:06 - 02:55

Total Clouds (% Sky Obscured)

99
100
100
100
98
96
92
87
82
77
72
68
68
75
84
90
88
93
92
93
94
95
93
91

Low Clouds (% Sky Obscured)

92
84
76
66
67
67
67
70
73
75
74
71
66
65
62
62
61
58
65
68
71
78
75
70

Medium Clouds (% Sky Obscured)

31
47
62
77
71
69
66
61
52
47
47
43
39
51
60
64
57
55
53
47
37
31
26
21

High Clouds (% Sky Obscured)

79
84
87
91
68
41
14
10
4
3
2
1
1
7
16
33
41
19
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
8
7
6
4
4
4
4
6
8
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
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

67
74
81
89
81
71
55
52
51
52
44
33
19
20
18
14
28
38
47
52
57
63
62
64

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
23
21
21
21
19
18
16
15
13
12
11
10
9
8
7
7
7
6
6
7
7
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
84
85
87
87
87
87
90
91
95
95
96
98
98
98
96
96
94
96
90
84
78
73

Pressure (mb)

1002
1002
1003
1003
1004
1004
1005
1005
1006
1007
1008
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012

Ozone (du)

436
436
440
445
450
450
450
450
451
452
453
454
455
456
456
455
455
454
454
453
454
454
454
454

Monday 29

Waning Gibbous 64%

03:00

09:46

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 Good
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad

Sun - Rise: 05:32, Set: 20:31, Transit: 13:03. Moon - Rise: 03:00, Set: 09:46. Civil Dark: 21:11 - 04:52. Nautical Dark: 22:03 - 04:00. Astro Dark: 23:10 - 02:51

Total Clouds (% Sky Obscured)

87
89
90
92
90
91
89
64
39
18
17
14
9
17
24
29
41
53
65

Low Clouds (% Sky Obscured)

69
73
78
82
73
62
52
39
23
7
5
3
0
8
16
24
28
35
37

Medium Clouds (% Sky Obscured)

20
22
24
26
37
53
69
51
34
20
13
9
1
5
8
15
11
6
0

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
17
28
41
33
19
12
7
4
1
18
38
56

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

68
70
72
75
71
65
55
45
34
17
16
11
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
9
9
10
12
11
11
11
9
7
5
4
4
4
4
3
3
4
4

Chance of Frost

Temperature (°C)

11
12
12
12
12
11
11
10
9
8
7
6
5
5
4
4
4
4
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
65
64
64
64
70
76
83
85
88
91
93
94
94
94
94
94
94
94

Pressure (mb)

1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

454
454
453
452
451
449
446
444
444
444
444
445
445
446
444
442
440
436
433

Forecast for Darley Abbey, Derby, United Kingdom (52.94,-1.48)

Generated: 23/04/24 12:02:15. Forecast: 23/04/24 to 29/04/24. Timezone: UTC+1.00