Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

Waxing Gibbous 84%

18:08

03:06

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 OK
12 OK
13 Bad
14 Bad
15 OK
16 Bad

Sun - Rise: 07:27, Set: 19:45, Transit: 13:35. Moon - Rise: 18:08, Set: 03:06. Civil Dark: 20:19 - 06:54. Nautical Dark: 20:59 - 06:14. Astro Dark: 21:41 - 05:32

Total Clouds (% Sky Obscured)

99
99
99
98
99
99
100
96
99
100
99
100
100
100
100
100
81
31
27
27
31
37
23
40

Low Clouds (% Sky Obscured)

4
0
9
16
3
0
0
0
0
0
0
0
0
0
41
22
44
22
15
23
25
21
11
12

Medium Clouds (% Sky Obscured)

0
0
26
44
71
44
22
8
0
0
0
5
86
77
93
74
9
20
23
12
20
28
20
28

High Clouds (% Sky Obscured)

99
99
99
98
99
98
100
96
99
100
99
100
100
100
100
100
65
6
0
0
0
0
0
15

ISS Passover

Visibility (miles)

8
10
10
10
10
10
10
10
10
10
10
10
10
10
7
5
7
10
10
10
10
10
10
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
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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
10
30
44
44
27
13
11
19
17
19
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.15
0.81
1.38
0.92
0.25
0.03
0.03
0.08
0.15
0.19
0.24

Wind Speed/Direction (mph)

16
15
13
13
13
15
16
17
18
19
21
22
24
28
33
28
35
32
29
28
27
26
26
27

Chance of Frost

Temperature (°C)

23
23
23
22
22
21
21
21
21
21
21
20
20
20
19
18
17
16
15
15
16
16
17
17

Feels Like (°C)

23
23
23
22
22
21
21
21
21
21
21
20
20
20
19
18
17
16
15
15
16
16
17
17

Dew Point (°C)

14
14
14
14
14
14
13
13
13
13
13
12
12
13
14
13
13
10
8
7
7
7
7
7

Relative Humidity (%)

57
57
59
61
62
61
61
62
63
63
62
60
60
65
74
73
77
69
62
59
58
55
53
50

Pressure (mb)

1012
1012
1011
1010
1010
1009
1008
1007
1006
1005
1004
1002
1001
1001
1000
1001
1002
1004
1006
1007
1008
1009
1010
1010

Ozone (du)

286
285
285
284
284
284
284
285
285
286
285
285
286
288
291
294
298
303
307
310
312
314
318
322

Friday 21

Waxing Gibbous 90%

18:39

04:10

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

Sun - Rise: 07:29, Set: 19:43, Transit: 13:35. Moon - Rise: 18:39, Set: 04:10. Civil Dark: 20:17 - 06:56. Nautical Dark: 20:56 - 06:16. Astro Dark: 21:38 - 05:34

Total Clouds (% Sky Obscured)

49
22
63
59
54
51
31
27
29
27
35
28
32
92
100
98
88
73
42
23
40
52
95
87

Low Clouds (% Sky Obscured)

16
12
7
15
18
25
20
16
16
13
21
16
17
18
31
7
11
16
31
16
27
13
24
12

Medium Clouds (% Sky Obscured)

37
16
49
52
44
49
29
24
26
26
30
23
24
27
19
7
5
16
23
16
28
42
31
69

High Clouds (% Sky Obscured)

19
0
28
15
20
0
0
0
0
0
0
0
6
89
100
98
87
66
9
0
0
13
91
81

ISS Passover

Visibility (miles)

4
3
3
4
5
7
8
9
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

20
24
35
39
35
29
25
20
13
9
8
7
7
7
8
5
4
3
3
7
9
10
9
5

Precipitation Amount (mm)

0.3
0.37
0.51
0.62
0.59
0.49
0.38
0.25
0.14
0.1
0.08
0.08
0.07
0.06
0.05
0.04
0.03
0.03
0.02
0.02
0.05
0.08
0.05
0.01

Wind Speed/Direction (mph)

27
26
25
24
19
20
22
19
19
20
18
15
18
11
12
15
13
11
16
14
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
54
60
66
68
69
69
70
69
68
68
70
71
72
72
72
68
64
60
58
58
57
54
52

Pressure (mb)

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

Ozone (du)

324
323
321
319
316
313
311
312
313
313
311
307
304
301
299
297
294
291
289
287
285
283
281
279

Saturday 22

Waxing Gibbous 95%

19:05

05:16

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:31, Set: 19:41, Transit: 13:35. Moon - Rise: 19:05, Set: 05:16. Civil Dark: 20:14 - 06:57. Nautical Dark: 20:54 - 06:18. Astro Dark: 21:35 - 05:36

Total Clouds (% Sky Obscured)

82
61
77
88
75
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
11
16
14
12
27
62
61
98
6
1
94
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

57
39
35
57
48
98
99
100
100
100
100
100
100
98
85
99
99
99
99
99
99
32
32
32

High Clouds (% Sky Obscured)

70
42
66
76
55
26
0
0
6
63
50
9
1
2
38
91
91
91
91
91
91
44
44
44

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
8
8
7
7
7
6
6
5
5
5
6
6
6
6
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
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
8
10
12
18
26
35
44
55
59
60
58
59
63
65
64
62
62
68
74
76
69
66

Precipitation Amount (mm)

0
0
0.02
0.06
0.09
0.15
0.24
0.4
0.66
0.85
0.76
0.57
0.49
0.59
0.77
0.94
1
1.02
1.03
1.05
1.11
1.26
1.49
1.8

Wind Speed/Direction (mph)

14
13
11
10
10
10
10
10
9
9
10
12
13
14
14
14
16
18
19
18
17
16
17
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
8
8
9
9
10
10
10
10
10
11
11
13
13
14
14
14
15
15
16
16
17

Relative Humidity (%)

51
54
58
63
69
74
79
84
88
92
95
97
96
96
95
94
91
90
89
89
88
87
85
84

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1018
1017
1016
1015
1013
1012
1011
1009
1008
1006
1005
1004
1003
1003
1002
1001
1000

Ozone (du)

278
277
277
277
277
277
277
277
277
277
277
276
276
276
276
276
276
276
277
279
283
288
294
301

Sunday 23

Waxing Gibbous 99%

19:29

06:23

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
12 Bad
13 Bad
14 OK
15 OK
16 OK

Sun - Rise: 07:32, Set: 19:38, Transit: 13:34. Moon - Rise: 19:29, Set: 06:23. Civil Dark: 20:12 - 06:59. Nautical Dark: 20:51 - 06:19. Astro Dark: 21:33 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
91
91
91
91
91
91
58
58
58
58
58
58
38
38
38

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
77
77
77
77
77
77
19
19
19
19
19
19
21
21
21

Medium Clouds (% Sky Obscured)

32
32
32
95
95
95
95
95
95
85
85
85
85
85
85
56
56
56
56
56
56
33
33
33

High Clouds (% Sky Obscured)

44
44
44
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)

6
5
5
5
4
4
4
7
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
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate 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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

66
68
67
67
72
74
62
52
31
14
9
9
8
8
7
7
6
7
9
9
8
7
7
7

Precipitation Amount (mm)

2.18
2.8
3.61
4.06
3.81
3.16
2.26
1.09
0.25
0.06
0.05
0.05
0.04
0.05
0.06
0.07
0.07
0.07
0.07
0.07
0.07
0.07
0.07
0.07

Wind Speed/Direction (mph)

24
21
12
18
19
23
26
26
25
24
23
22
21
20
19
18
19
20
20
20
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
15
13
11
10
9
9
8
8
7
7
7
7
6
6
6
6
6
6
6
6
6
6
6

Relative Humidity (%)

84
84
84
84
82
81
79
76
73
70
70
71
72
74
74
74
69
63
59
56
54
53
52
53

Pressure (mb)

1000
1000
1001
1002
1004
1006
1009
1011
1014
1017
1019
1021
1023
1024
1026
1027
1028
1029
1030
1031
1032
1032
1033
1033

Ozone (du)

307
314
320
324
326
327
326
326
326
323
318
312
306
302
299
297
296
297
297
297
297
296
295
292

Monday 24

Waxing Gibbous 100%

19:50

07:32

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

Sun - Rise: 07:34, Set: 19:36, Transit: 13:34. Moon - Rise: 19:50, Set: 07:32. Civil Dark: 20:09 - 07:01. Nautical Dark: 20:49 - 06:21. Astro Dark: 21:30 - 05:40

Total Clouds (% Sky Obscured)

38
38
38
59
59
59
59
59
59
36
36
36
36
36
36
63
63
63
63
63
63
27
27
27

Low Clouds (% Sky Obscured)

21
21
21
25
25
25
25
25
25
19
19
19
19
19
19
29
29
29
29
29
29
10
10
10

Medium Clouds (% Sky Obscured)

33
33
33
56
56
56
56
56
56
33
33
33
33
33
33
60
60
60
60
60
60
16
16
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13

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
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 (%)

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

Precipitation Amount (mm)

0.06
0.04
0.03
0.02
0.02
0.02
0.02
0.02
0.03
0.03
0.03
0.02
0.02
0.01
0.01
0.01
0
0
0
0
0.01
0.01
0.01
0

Wind Speed/Direction (mph)

19
18
17
15
14
13
12
11
10
9
9
8
8
8
8
8
6
6
6
4
6
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
56
58
60
62
62
63
64
65
65
65
65
65
65
65
65
63
60
57
55
53
52
52
53

Pressure (mb)

1033
1034
1034
1035
1035
1036
1036
1037
1037
1037
1037
1037
1037
1038
1038
1038
1038
1039
1039
1039
1039
1039
1039
1038

Ozone (du)

290
289
288
288
287
286
285
284
283
283
282
282
281
281
280
280
279
279
279
278
278
276
275
273

Tuesday 25

Full Moon 99%

20:11

08:41

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

Sun - Rise: 07:36, Set: 19:34, Transit: 13:33. Moon - Rise: 20:11, Set: 08:41. Civil Dark: 20:07 - 07:02. Nautical Dark: 20:47 - 06:23. Astro Dark: 21:28 - 05:42

Total Clouds (% Sky Obscured)

27
27
27
63
63
63
63
63
63
96
96
96
96
96
96
24
24
24
24
24
24
90
90
90

Low Clouds (% Sky Obscured)

10
10
10
63
63
63
63
63
63
63
63
63
63
63
63
8
8
8
8
8
8
90
90
90

Medium Clouds (% Sky Obscured)

16
16
16
1
1
1
1
1
1
0
0
0
0
0
0
6
6
6
6
6
6
2
2
2

High Clouds (% Sky Obscured)

13
13
13
4
4
4
4
4
4
91
91
91
91
91
91
16
16
16
16
16
16
2
2
2

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
None
None
None

Precipitation Probability (%)

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 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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
59
63
67
69
71
74
76
78
78
77
76
76
76
77
75
71
66
59
54
50
46
44
42

Pressure (mb)

1038
1037
1037
1037
1037
1037
1037
1037
1037
1037
1036
1036
1035
1035
1035
1035
1035
1035
1035
1034
1034
1034
1033
1032

Ozone (du)

271
269
268
267
265
264
263
262
261
259
258
256
254
253
252
251
251
251
251
251
251
251
250
250

Wednesday 26

Waning Gibbous 96%

20:32

09:53

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

Sun - Rise: 07:37, Set: 19:31, Transit: 13:33. Moon - Rise: 20:32, Set: 09:53. Civil Dark: 20:05 - 07:04. Nautical Dark: 20:44 - 06:25. Astro Dark: 21:25 - 05:44

Total Clouds (% Sky Obscured)

90
90
90
48
48
48
48
48
48
6
6
6
6
6
6
4
4
4
4
4
4
45
45
45

Low Clouds (% Sky Obscured)

90
90
90
42
42
42
42
42
42
6
6
6
6
6
6
4
4
4
4
4
4
31
31
31

Medium Clouds (% Sky Obscured)

2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
23
23
23

High Clouds (% Sky Obscured)

2
2
2
16
16
16
16
16
16
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
None
None
None

Precipitation Probability (%)

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 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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
46
51
56
60
63
66
68
70
71
72
74
77
79
82
81
76
68
62
57
52
50
52
55

Pressure (mb)

1032
1031
1031
1031
1030
1030
1030
1030
1029
1029
1028
1028
1027
1027
1026
1026
1025
1025
1025
1025
1024
1024
1023
1023

Ozone (du)

250
250
251
251
252
252
253
253
254
255
257
259
260
261
261
261
261
260
260
259
259
259
259
259

Forecast for Spijkenisse, Spijkenisse, NL (51.86,4.30)

Generated: 20/09/18 17:27:51. Forecast: 20/09/18 to 26/09/18. Timezone: UTC+2.00