Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 76%

00:58

09:00

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

Sun - Rise: 05:37, Set: 20:10, Transit: 12:54. Moon - Rise: 00:58, Set: 09:00. Civil Dark: 20:48 - 04:59. Nautical Dark: 21:35 - 04:10. Astro Dark: 22:33 - 03:11

Total Clouds (% Sky Obscured)

73
4
0
58
88
67
5
62
73
60
40
31
13
12
43
24
37
33
48
38
84
9
16
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
9
13
25
2
2
2
3
27
2
30
13
15
2
40
9
9
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
33
8
31
5
1
13
11
23
23
6
29
47
7
9
1
0
99

High Clouds (% Sky Obscured)

73
4
0
58
88
67
3
54
70
33
37
29
0
0
13
1
10
0
0
33
78
0
8
100

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
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
4
4
3
2
3
4
7
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.06
0.1
0.08
0.04
0.02
0.02
0.04
0.06
0.04

Wind Speed/Direction (mph)

5
5
6
7
7
6
5
5
5
5
5
7
9
11
13
17
19
21
21
21
19
17
14
13

Chance of Frost

Temperature (°C)

11
9
10
10
9
9
8
8
8
9
10
13
16
18
20
20
20
20
20
19
18
17
16
14

Feels Like (°C)

11
8
8
8
8
7
7
7
7
8
10
13
16
18
20
20
20
20
20
19
18
17
16
14

Dew Point (°C)

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

Relative Humidity (%)

83
92
87
85
89
93
95
95
95
94
88
77
65
57
55
54
53
51
50
51
54
57
61
64

Pressure (mb)

997
996
996
996
995
995
994
994
994
994
993
993
994
994
994
994
994
994
994
995
995
995
996
997

Ozone (du)

369
369
370
371
372
372
372
373
374
377
381
387
394
398
396
391
387
385
383
383
385
387
390
390

Wednesday 24

Waning Gibbous 67%

01:53

09:51

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

Sun - Rise: 05:35, Set: 20:12, Transit: 12:54. Moon - Rise: 01:53, Set: 09:51. Civil Dark: 20:50 - 04:57. Nautical Dark: 21:37 - 04:07. Astro Dark: 22:36 - 03:07

Total Clouds (% Sky Obscured)

100
100
74
99
41
0
0
9
2
86
20
100
100
99
100
100
100
100
100
100
100
23
23
18

Low Clouds (% Sky Obscured)

0
0
25
0
0
0
0
0
0
13
3
0
33
19
100
93
89
100
100
18
15
16
16
16

Medium Clouds (% Sky Obscured)

30
98
73
11
0
0
0
2
2
0
0
0
13
9
100
99
100
100
99
100
100
17
16
10

High Clouds (% Sky Obscured)

100
100
0
99
41
0
0
9
0
84
17
100
100
99
99
80
44
94
37
95
39
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
6
3
2
2
2
2
2
2
1
1
2
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

5
0
0
0
0
0
0
0
0
16
20
26
42
48
47
44
38
32
28
26
22
10
4
3

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0
0
0.01
0.04
0.13
0.29
0.44
0.54
0.75
0.92
0.81
0.62
0.47
0.26
0.09
0.02
0.01

Wind Speed/Direction (mph)

13
12
11
11
10
10
10
11
12
13
15
16
16
17
17
17
16
16
17
16
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
11
11
10
7
6
6
6
7
10
11
12
12
13
13
14
14
14
14
14
13
13
12

Dew Point (°C)

7
6
6
6
6
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
7
7
7

Relative Humidity (%)

66
69
71
74
76
82
89
93
91
87
83
80
77
76
74
72
70
67
65
65
66
67
67
71

Pressure (mb)

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

Ozone (du)

391
392
397
403
406
403
397
391
387
383
381
380
380
381
384
387
390
390
389
388
389
389
389
388

Thursday 25

Waning Gibbous 57%

02:38

10:48

21 Good
22 Good
23 Good
00 Good
01 OK
02 Good
03 Good
04 Good
05 Good
06 OK
07 OK
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

Sun - Rise: 05:33, Set: 20:14, Transit: 12:53. Moon - Rise: 02:38, Set: 10:48. Civil Dark: 20:52 - 04:55. Nautical Dark: 21:40 - 04:05. Astro Dark: 22:40 - 03:04

Total Clouds (% Sky Obscured)

6
2
2
4
17
0
2
2
6
12
5
61
87
81
83
60
74
88
66
63
58
73
94
94

Low Clouds (% Sky Obscured)

6
1
0
0
2
0
2
2
6
11
4
47
50
76
81
58
66
17
26
31
20
17
34
34

Medium Clouds (% Sky Obscured)

4
1
2
4
0
0
0
0
1
2
2
9
77
38
21
22
9
25
15
21
36
67
92
92

High Clouds (% Sky Obscured)

0
0
0
0
16
0
0
0
0
0
1
29
70
0
11
8
23
85
53
45
39
22
1
1

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
6
5
3
3
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

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

Precipitation Probability (%)

0
0
0
4
4
3
0
0
9
25
36
49
54
51
38
21
13
12
17
19
20
21
21
12

Precipitation Amount (mm)

0
0
0
0.01
0.01
0.01
0
0
0.02
0.08
0.14
0.19
0.28
0.35
0.21
0.06
0.03
0.09
0.28
0.45
0.44
0.33
0.23
0.14

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
7
7
7
6
6
5
4
4
5
6
6
7
10
11
12
13
14
14
14
14
14
13
12

Dew Point (°C)

7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
9
9
9
9
9
8
8
8
8

Relative Humidity (%)

76
80
83
85
88
92
95
97
96
94
91
89
87
86
83
80
76
72
69
68
69
70
71
75

Pressure (mb)

1004
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008

Ozone (du)

387
386
387
389
390
390
391
390
386
382
379
379
380
381
382
383
383
382
380
378
377
375
374
374

Friday 26

Third Quarter 47%

03:14

11:51

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

Sun - Rise: 05:31, Set: 20:16, Transit: 12:53. Moon - Rise: 03:14, Set: 11:51. Civil Dark: 20:54 - 04:52. Nautical Dark: 21:42 - 04:02. Astro Dark: 22:43 - 03:00

Total Clouds (% Sky Obscured)

94
94
94
94
98
98
98
98
98
98
2
2
2
2
2
2
99
99
99
99
99
99
98
98

Low Clouds (% Sky Obscured)

34
34
34
34
2
2
2
2
2
2
1
1
1
1
1
1
56
56
56
56
56
56
44
44

Medium Clouds (% Sky Obscured)

92
92
92
92
98
98
98
98
98
98
2
2
2
2
2
2
99
99
99
99
99
99
92
92

High Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
67
67
67
67
67
67
70
70

ISS Passover

Visibility (miles)

5
7
10
10
10
10
6
2
1
0
2
5
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
None
None
None
None
Very 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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

6
4
3
0
2
14
58
77
76
66
56
49
38
28
20
16
12
8
5
0
0
0
0
0

Precipitation Amount (mm)

0.07
0.03
0.01
0
0.01
0.09
0.4
0.69
0.59
0.37
0.25
0.15
0.07
0.04
0.04
0.05
0.06
0.03
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
10
10
11
12
12
10
8
7
9
11
13
11
3
3
11
13
15
15
16
15
14

Chance of Frost

Temperature (°C)

11
9
8
8
7
7
8
8
8
8
8
9
10
10
11
11
12
12
13
13
12
11
11
10

Feels Like (°C)

11
7
6
5
5
4
4
5
5
5
6
7
7
10
11
11
12
12
13
13
12
11
11
10

Dew Point (°C)

7
7
6
6
5
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
6
6
5
5

Relative Humidity (%)

81
85
86
86
86
89
92
94
94
92
90
87
85
82
78
75
71
68
66
66
66
68
68
70

Pressure (mb)

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

Ozone (du)

373
374
374
375
377
381
386
390
394
397
398
398
396
394
392
390
388
388
389
389
387
383
380
377

Saturday 27

Waning Crescent 37%

03:43

12:56

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

Sun - Rise: 05:29, Set: 20:17, Transit: 12:53. Moon - Rise: 03:43, Set: 12:56. Civil Dark: 20:56 - 04:50. Nautical Dark: 21:45 - 03:59. Astro Dark: 22:47 - 02:56

Total Clouds (% Sky Obscured)

98
98
98
98
56
56
56
56
56
56
100
100
100
100
100
100
100
100
100
100
100
100
83
83

Low Clouds (% Sky Obscured)

44
44
44
44
56
56
56
56
56
56
100
100
100
100
100
100
100
100
100
100
100
100
55
55

Medium Clouds (% Sky Obscured)

92
92
92
92
3
3
3
3
3
3
17
17
17
17
17
17
72
72
72
72
72
72
81
81

High Clouds (% Sky Obscured)

70
70
70
70
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
1
0
0
0
0
2
3
4
5
4
4
3
2
2
3
3
4
6
9
6

Precipitation Amount (mm)

0
0
0
0
0.01
0
0
0
0
0.01
0.01
0.03
0.05
0.06
0.06
0.05
0.04
0.03
0.03
0.03
0.05
0.08
0.09
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
6
5
5
5
4
4
4
5
5
7
10
12
12
13
13
14
15
15
15
15
14
13

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
6
6
6
7
6
6
6
6
6
6
7
7
7
7

Relative Humidity (%)

73
77
80
82
83
85
87
88
89
88
85
82
76
72
67
63
59
55
54
54
57
61
65
67

Pressure (mb)

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

Ozone (du)

374
372
370
368
367
365
363
362
361
361
360
359
358
357
356
356
356
355
355
354
352
350
349
347

Sunday 28

Waning Crescent 28%

04:07

14:02

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

Sun - Rise: 05:27, Set: 20:19, Transit: 12:53. Moon - Rise: 04:07, Set: 14:02. Civil Dark: 20:58 - 04:48. Nautical Dark: 21:47 - 03:57. Astro Dark: 22:50 - 02:52

Total Clouds (% Sky Obscured)

83
83
83
83
95
95
95
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

55
55
55
55
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
0
0

Medium Clouds (% Sky Obscured)

81
81
81
81
95
95
95
95
95
95
99
99
99
99
99
99
0
0
0
0
0
0
13
13

High Clouds (% Sky Obscured)

0
0
0
0
6
6
6
6
6
6
10
10
10
10
10
10
75
75
75
75
75
75
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
8
8
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
0
0
0
0
6
24
32
24
11
0
0
0
5
9
14
23
24
17
12
11
10
9
7

Precipitation Amount (mm)

0.01
0
0
0
0
0.04
0.2
0.34
0.22
0.06
0
0
0
0.02
0.09
0.26
0.41
0.43
0.38
0.31
0.22
0.12
0.07
0.04

Wind Speed/Direction (mph)

5
5
6
7
8
8
8
8
8
8
8
8
9
9
9
1
7
9
9
9
9
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
74
79
83
87
91
94
96
95
92
90
86
82
79
78
78
76
72
69
68
69
72
74
76

Pressure (mb)

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

Ozone (du)

345
343
340
337
334
331
327
324
322
321
321
320
320
319
318
317
317
318
320
322
323
324
325
327

Monday 29

Waning Crescent 20%

04:27

15:09

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

Sun - Rise: 05:25, Set: 20:21, Transit: 12:53. Moon - Rise: 04:27, Set: 15:09. Civil Dark: N/A - 04:46. Nautical Dark: 21:49 - 03:54. Astro Dark: 22:54 - 02:48

Total Clouds (% Sky Obscured)

98
98
98
98
99
99
99
99
99
99
69
69
69
69
69
69
91
91
91
91
91
91
64
64

Low Clouds (% Sky Obscured)

0
0
0
0
6
6
6
6
6
6
3
3
3
3
3
3
90
90
90
90
90
90
56
56

Medium Clouds (% Sky Obscured)

13
13
13
13
49
49
49
49
49
49
19
19
19
19
19
19
39
39
39
39
39
39
47
47

High Clouds (% Sky Obscured)

98
98
98
98
99
99
99
99
99
99
63
63
63
63
63
63
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

4
5
7
10
14
16
14
11
22
32
34
25
13
8
9
8
7
7
12
16
19
20
17
12

Precipitation Amount (mm)

0.02
0.03
0.06
0.09
0.11
0.07
0.04
0.03
0.07
0.15
0.2
0.13
0.05
0.03
0.02
0.03
0.04
0.05
0.12
0.21
0.21
0.17
0.14
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
11
11
10
10
10
9
9
9
9
10
11
12
12
13
13
14
15
15
15
14
13
12

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
7

Relative Humidity (%)

79
82
85
86
88
91
94
97
98
96
92
86
81
78
75
72
69
66
65
64
65
68
70
71

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012

Ozone (du)

328
330
331
333
335
337
338
341
343
345
347
349
351
352
353
355
355
356
356
355
354
353
351
348

Forecast for Dereham, Norfolk, UK (52.66,0.96)

Generated: 23/04/19 20:49:27. Forecast: 23/04/19 to 29/04/19. Timezone: UTC+1.00