Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Gibbous 60%

12:05

03:04

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

Sun - Rise: 05:39, Set: 20:09, Transit: 12:54. Moon - Rise: 12:05, Set: 03:04. Civil Dark: 20:47 - 05:01. Nautical Dark: 21:36 - 04:12. Astro Dark: 22:34 - 03:14

Total Clouds (% Sky Obscured)

2
0
0
10
15
0
73
91
98
95
100
100
100
100
97
97
98
99
85
83
69
87
88
96

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
55
57
52
97
100
100
100
66
2
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
27
72
56
25
0
0
0
0
0
1
4
19
1
23
52
68

High Clouds (% Sky Obscured)

0
0
0
9
14
0
73
80
94
85
85
93
84
91
91
97
98
99
84
80
69
87
85
95

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

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
0
0
0
0
0
0
0
4
9
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.08
0.17

Wind Speed/Direction (mph)

8
18
13
12
12
13
13
14
14
14
14
14
15
16
16
16
15
14
14
15
15
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
5
5
4
4
4
5
10
11
12
13
13
13
14
14
15
15
14
13
12
11
6
5
4

Dew Point (°C)

7
7
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

86
85
85
87
90
91
85
76
70
66
65
65
64
63
62
60
60
61
65
71
79
85
91
93

Pressure (mb)

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

Ozone (du)

370
368
367
367
369
369
367
364
363
363
365
365
363
359
356
355
354
352
350
346
343
340
337
334

Tuesday 24

Waxing Gibbous 71%

13:20

03:41

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:37, Set: 20:11, Transit: 12:54. Moon - Rise: 13:20, Set: 03:41. Civil Dark: 20:49 - 04:59. Nautical Dark: 21:38 - 04:10. Astro Dark: 22:37 - 03:10

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

26
95
96
91
53
32
59
59
98
79
75
93
81
100
100
100
100
100
98
85
100
100
100
100

Medium Clouds (% Sky Obscured)

65
8
99
73
88
80
94
94
84
32
36
89
97
100
99
100
100
90
100
97
99
100
95
91

High Clouds (% Sky Obscured)

94
98
98
95
95
96
93
90
95
95
95
98
98
78
63
80
23
69
95
95
10
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
5
6
7
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

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

Precipitation Probability (%)

15
15
14
13
13
12
10
8
7
9
12
13
10
6
4
4
5
6
10
18
24
21
14
7

Precipitation Amount (mm)

0.19
0.17
0.15
0.15
0.14
0.12
0.1
0.07
0.08
0.13
0.23
0.27
0.17
0.05
0.02
0.02
0.04
0.06
0.14
0.27
0.34
0.22
0.08
0.03

Wind Speed/Direction (mph)

16
17
17
16
15
14
14
13
13
13
14
14
12
12
14
12
9
10
6
6
8
3
3
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
94
94
94
98
98
95
89
84
82
83
85
85
83
79
75
72
72
74
80
86
89
89
87

Pressure (mb)

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

Ozone (du)

332
331
330
329
328
328
328
328
328
328
328
327
327
326
326
327
328
330
333
337
341
346
351
355

Wednesday 25

Waxing Gibbous 81%

14:37

04:12

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

Sun - Rise: 05:35, Set: 20:13, Transit: 12:54. Moon - Rise: 14:37, Set: 04:12. Civil Dark: 20:51 - 04:56. Nautical Dark: 21:40 - 04:07. Astro Dark: 22:41 - 03:06

Total Clouds (% Sky Obscured)

100
97
93
53
37
70
34
24
32
92
61
37
38
39
22
70
75
48
48
48
48
48
48
17

Low Clouds (% Sky Obscured)

100
97
93
53
37
70
20
13
25
91
59
12
20
20
13
9
20
9
9
9
9
9
9
17

Medium Clouds (% Sky Obscured)

68
29
15
3
6
18
27
18
20
16
13
32
37
36
16
69
71
44
44
44
44
44
44
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

7
6
5
4
0
0
0
0
0
3
4
5
5
6
6
6
5
5
5
5
5
9
16
21

Precipitation Amount (mm)

0.02
0.01
0.02
0.01
0
0
0
0
0
0.01
0.04
0.08
0.1
0.11
0.11
0.09
0.07
0.05
0.04
0.02
0.01
0.07
0.34
0.59

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
82
83
89
96
97
88
77
70
65
63
62
64
65
66
65
65
66
69
74
80
86
91
94

Pressure (mb)

1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1011
1011
1011
1011
1011
1011
1010
1010

Ozone (du)

357
357
358
360
362
364
365
366
367
368
368
368
368
368
368
367
367
367
368
370
372
374
375
377

Thursday 26

Waxing Gibbous 89%

15:54

04:38

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

Sun - Rise: 05:33, Set: 20:14, Transit: 12:53. Moon - Rise: 15:54, Set: 04:38. Civil Dark: 20:53 - 04:54. Nautical Dark: 21:43 - 04:04. Astro Dark: 22:44 - 03:03

Total Clouds (% Sky Obscured)

17
17
17
17
17
1
1
1
1
1
1
67
67
67
67
67
67
77
77
77
77
77
77
11

Low Clouds (% Sky Obscured)

17
17
17
17
17
1
1
1
1
1
1
13
13
13
13
13
13
26
26
26
26
26
26
3

Medium Clouds (% Sky Obscured)

4
4
4
4
4
0
0
0
0
0
0
63
63
63
63
63
63
51
51
51
51
51
51
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
48
48
48
48
48
48
55
55
55
55
55
55
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

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

Precipitation Probability (%)

22
22
21
18
14
10
0
0
0
0
5
6
8
10
11
10
9
7
6
0
0
0
0
0

Precipitation Amount (mm)

0.47
0.24
0.11
0.06
0.03
0.01
0
0
0
0
0.01
0.03
0.07
0.17
0.24
0.21
0.13
0.07
0.03
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
2
1
-1
-1
1
4
6
7
10
7
5
5
6
6
10
10
7
6
4
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

96
98
100
100
100
100
97
83
75
70
70
70
75
76
74
70
66
64
64
66
69
72
74
76

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

381
385
387
388
387
387
388
389
390
390
390
390
389
388
388
388
389
389
389
389
389
389
389
388

Friday 27

Waxing Gibbous 95%

17:09

05:02

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

Sun - Rise: 05:30, Set: 20:16, Transit: 12:53. Moon - Rise: 17:09, Set: 05:02. Civil Dark: 20:55 - 04:52. Nautical Dark: 21:45 - 04:01. Astro Dark: 22:48 - 02:59

Total Clouds (% Sky Obscured)

11
11
11
11
11
0
0
0
0
0
0
90
90
90
90
90
90
41
41
41
41
41
41
86

Low Clouds (% Sky Obscured)

3
3
3
3
3
0
0
0
0
0
0
60
60
60
60
60
60
14
14
14
14
14
14
0

Medium Clouds (% Sky Obscured)

9
9
9
9
9
0
0
0
0
0
0
85
85
85
85
85
85
36
36
36
36
36
36
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
5
5
5
86

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
Very Light Rain
Very 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
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
4
5
7
10
11
10
8
8
8
9
9
9
7
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.06
0.25
0.41
0.27
0.1
0.05
0.04
0.07
0.11
0.06
0.01
0

Wind Speed/Direction (mph)

10
9
9
9
9
9
10
10
10
11
11
11
10
9
8
8
2
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
-0
-1
-1
-1
2
5
8
11
11
11
10
8
8
10
11
10
8
6
5
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

79
84
89
95
96
93
83
74
67
64
62
62
64
66
67
68
71
74
78
83
88
92
95
95

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

387
386
385
385
384
384
384
384
383
382
382
381
382
383
383
382
380
379
378
377
376
376
375
376

Saturday 28

Waxing Gibbous 99%

18:23

05:24

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:28, Set: 20:18, Transit: 12:53. Moon - Rise: 18:23, Set: 05:24. Civil Dark: 20:57 - 04:49. Nautical Dark: 21:48 - 03:59. Astro Dark: 22:51 - 02:55

Total Clouds (% Sky Obscured)

86
86
86
86
86
94
94
94
94
94
94
98
98
98
98
98
98
99
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
31
31
31
31
31
31
0
0
0
0
0
0
4

Medium Clouds (% Sky Obscured)

2
2
2
2
2
49
49
49
49
49
49
25
25
25
25
25
25
84
84
84
84
84
84
97

High Clouds (% Sky Obscured)

86
86
86
86
86
92
92
92
92
92
92
97
97
97
97
97
97
98
98
98
98
98
98
100

ISS Passover

Visibility (miles)

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
Very Light Rain
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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
10
11
13
14
15
17
18
19
19
19
18
18
17
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.02
0.05
0.08
0.13
0.21
0.44
0.82
1.12
1.11
0.92
0.69
0.43
0.2
0.08

Wind Speed/Direction (mph)

5
5
5
5
5
4
7
9
10
10
10
10
10
10
11
12
13
14
14
14
14
11
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
2
3
4
5
7
11
11
11
11
11
10
10
7
7
6
5
4
3
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

95
94
93
91
88
84
78
72
68
66
66
67
67
68
68
69
69
72
76
83
91
99
100
100

Pressure (mb)

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

Ozone (du)

377
378
380
380
380
380
380
380
380
381
382
382
382
382
381
381
380
380
380
380
380
379
377
375

Sunday 29

Waxing Gibbous 100%

19:35

05:46

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:26, Set: 20:19, Transit: 12:53. Moon - Rise: 19:35, Set: 05:46. Civil Dark: 20:59 - 04:47. Nautical Dark: 21:50 - 03:56. Astro Dark: 22:55 - 02:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
4
4
4
4
16
16
16
16
16
16
1
1
1
1
1
1
70
70
70
70
70
70
100

Medium Clouds (% Sky Obscured)

97
97
97
97
97
99
99
99
99
99
99
98
98
98
98
98
98
63
63
63
63
63
63
0

High Clouds (% Sky Obscured)

100
100
100
100
100
4
4
4
4
4
4
99
99
99
99
99
99
99
99
99
99
99
99
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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
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
None
None
None
None

Precipitation Probability (%)

15
14
12
12
10
10
10
0
0
0
0
0
9
10
11
11
11
11
11
10
0
0
0
0

Precipitation Amount (mm)

0.03
0.02
0.01
0.01
0.02
0.03
0.02
0
0
0
0
0
0.02
0.08
0.17
0.21
0.21
0.17
0.08
0.02
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
3
2
0
-2
-2
0
1
3
5
6
6
6
5
6
6
6
6
5
4
3
2
2
1

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
100
98
86
79
74
74
75
77
77
75
74
74
75
77
80
83
85
86

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

375
375
375
374
372
371
371
372
373
375
377
379
379
379
380
386
393
399
401
402
403
404
405
405

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

Generated: 23/04/18 02:58:40. Forecast: 23/04/18 to 29/04/18. Timezone: UTC+1.00