Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waning Crescent 21%

04:28

13:26

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

Sun - Rise: 08:38, Set: 17:07, Transit: 12:53. Moon - Rise: 04:28, Set: 13:26. Civil Dark: 17:45 - 08:00. Nautical Dark: 18:27 - 07:18. Astro Dark: 19:07 - 06:38

Total Clouds (% Sky Obscured)

44
17
11
9
2
2
13
14
23
6
28
79
84
74
55
84
90
87
13
58
84
88
22
57

Low Clouds (% Sky Obscured)

12
16
11
9
2
2
7
12
13
5
1
0
2
9
9
9
9
1
9
9
9
4
0
1

Medium Clouds (% Sky Obscured)

41
6
3
1
0
0
6
3
12
0
25
13
2
20
50
81
88
87
3
12
60
88
22
56

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
76
84
64
1
0
0
0
1
46
53
2
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
2
9
9
9
9
0
9
9
9
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
4
3
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.01
0.01
0
0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
4
3
3
3
2
2
2
2
2
2
3
3
3
2
2
2
2
3
4
5
6
7

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
1
1
1
1
2
2
3
3
3

Relative Humidity (%)

70
71
74
77
80
85
88
89
90
90
89
89
89
89
91
92
93
94
94
91
86
82
77
72

Pressure (mb)

1042
1042
1043
1044
1044
1045
1046
1046
1046
1047
1047
1047
1047
1047
1047
1047
1047
1047
1048
1048
1048
1048
1047
1047

Ozone (du)

353
350
347
345
343
341
339
338
339
340
341
341
340
339
339
339
338
338
337
336
335
334
333
335

Monday 20

Waning Crescent 13%

05:42

14:01

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

Sun - Rise: 08:37, Set: 17:09, Transit: 12:54. Moon - Rise: 05:42, Set: 14:01. Civil Dark: 17:47 - 07:59. Nautical Dark: 18:29 - 07:17. Astro Dark: 19:09 - 06:37

Total Clouds (% Sky Obscured)

75
92
84
75
33
83
72
36
36
52
100
100
100
100
100
100
100
92
61
36
22
34
55
36

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
27
100
100
100
100
100
100
100
83
49
20
6
2
36
7

Medium Clouds (% Sky Obscured)

75
92
84
75
33
83
72
36
35
33
32
20
16
56
91
93
88
59
29
23
17
33
31
31

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
0
5
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
20
100
100
100
100
100
100
87
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
3
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
3
3
3
4
4
4
5
5
5
5
5
5
5
4
4
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
6
5
3
2
2
1
1
0
-0
-1
-1
-1
-1
-2
-2
-2
-2
-1
-0
1
2
4

Dew Point (°C)

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

Relative Humidity (%)

70
71
72
74
78
81
83
84
84
85
86
87
88
89
90
91
91
91
91
91
88
84
82
74

Pressure (mb)

1046
1046
1046
1046
1046
1046
1045
1045
1045
1045
1044
1044
1044
1043
1043
1042
1042
1042
1042
1042
1042
1042
1041
1041

Ozone (du)

337
338
336
332
329
326
323
321
320
320
320
320
320
319
319
318
318
317
317
316
315
313
311
309

Tuesday 21

Waning Crescent 6%

06:50

14:45

15 Bad
16 OK
17 Bad
18 Bad
19 OK
20 Good
21 Good
22 OK
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

Sun - Rise: 08:35, Set: 17:11, Transit: 12:54. Moon - Rise: 06:50, Set: 14:45. Civil Dark: 17:49 - 07:58. Nautical Dark: 18:30 - 07:16. Astro Dark: 19:10 - 06:36

Total Clouds (% Sky Obscured)

62
49
68
63
23
2
10
26
87
73
91
98
100
100
45
100
100
100
100
100
100
100
80
80

Low Clouds (% Sky Obscured)

15
23
6
0
0
0
10
26
87
73
91
98
100
100
44
100
100
100
100
100
100
100
53
53

Medium Clouds (% Sky Obscured)

1
0
0
1
1
0
0
0
0
0
0
0
8
83
4
6
2
2
2
2
2
2
0
0

High Clouds (% Sky Obscured)

56
35
66
63
22
2
0
0
0
0
0
15
6
1
1
14
24
24
24
24
24
24
56
56

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
5
4
3
3
2
2
2
3
3
3
3
3
3
3
3
3
4
4
5
6
7
7

Feels Like (°C)

4
4
4
2
1
-0
-0
-0
-0
0
1
1
3
3
3
3
3
3
4
4
5
6
6
7

Dew Point (°C)

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

Relative Humidity (%)

73
75
75
78
82
84
85
86
87
88
89
91
92
94
95
96
96
95
95
95
94
93
90
86

Pressure (mb)

1040
1040
1040
1040
1040
1039
1039
1039
1039
1038
1038
1038
1038
1037
1037
1037
1036
1037
1037
1037
1037
1037
1037
1036

Ozone (du)

308
306
303
301
299
299
300
302
306
311
316
317
317
317
319
321
324
328
334
338
341
343
343
342

Wednesday 22

Waning Crescent 2%

07:48

No Set

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:34, Set: 17:12, Transit: 12:54. Moon - Rise: 07:48, Set: No Set. Civil Dark: 17:50 - 07:57. Nautical Dark: 18:32 - 07:15. Astro Dark: 19:12 - 06:35

Total Clouds (% Sky Obscured)

80
80
80
80
94
94
94
94
94
94
100
100
100
100
100
100
100
100
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

53
53
53
53
90
90
90
90
90
90
100
100
100
100
100
100
100
100
100
100
100
100
98
98

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

56
56
56
56
34
34
34
34
34
34
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
2
2
2
2
2
2
1
2
1
1
2
1
1
1
1
2
2
3
4
3
3

Precipitation Amount (mm)

0
0
0
0.01
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
0.01
0.02
0.03
0.03
0.02
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
4
4

Relative Humidity (%)

84
84
86
87
90
90
90
90
89
89
90
90
92
93
94
94
92
91
89
88
89
89
87
85

Pressure (mb)

1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1035
1035
1035
1034
1034
1033
1033
1033
1032
1032
1032
1032
1031
1030

Ozone (du)

340
338
337
337
337
336
335
334
332
330
328
325
322
320
320
321
321
319
317
315
313
312
311
310

Thursday 23

Waning Crescent 0%

08:35

15:39

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

Sun - Rise: 08:33, Set: 17:14, Transit: 12:54. Moon - Rise: 08:35, Set: 15:39. Civil Dark: 17:52 - 07:55. Nautical Dark: 18:33 - 07:14. Astro Dark: 19:13 - 06:34

Total Clouds (% Sky Obscured)

98
98
98
98
16
16
16
16
16
16
0
0
0
0
0
0
18
18
18
18
18
18
52
52

Low Clouds (% Sky Obscured)

98
98
98
98
16
16
16
16
16
16
0
0
0
0
0
0
18
18
18
18
18
18
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
52
52

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
0
6
6

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 (%)

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

Precipitation Amount (mm)

0.02
0.02
0.02
0.02
0.02
0.01
0.01
0
0.01
0.01
0.01
0.01
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
4
4
4
5
5
4
4
4
4
4
4
4
4
3
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

6
6
6
5
5
4
4
4
3
3
3
2
2
2
2
3
5
6
7
7
6
5
5
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
81
82
84
85
86
86
86
87
88
90
92
93
95
94
89
76
70
64
64
73
77
79
81

Pressure (mb)

1030
1029
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1025
1025
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022

Ozone (du)

308
306
304
301
299
297
295
294
294
294
294
293
291
291
293
297
299
301
301
300
296
290
286
283

Friday 24

New Moon 0%

09:12

16:40

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:32, Set: 17:16, Transit: 12:55. Moon - Rise: 09:12, Set: 16:40. Civil Dark: 17:53 - 07:54. Nautical Dark: 18:35 - 07:13. Astro Dark: 19:14 - 06:33

Total Clouds (% Sky Obscured)

52
52
52
52
98
98
98
98
98
98
100
100
100
100
100
100
98
98
98
98
98
98
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
19
19
19
19
19
19
100
100
100
100
100
100
65
65
65
65
65
65
100
100

Medium Clouds (% Sky Obscured)

52
52
52
52
62
62
62
62
62
62
26
26
26
26
26
26
11
11
11
11
11
11
48
48

High Clouds (% Sky Obscured)

6
6
6
6
96
96
96
96
96
96
8
8
8
8
8
8
95
95
95
95
95
95
79
79

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
3
2
2
1
1
0
0
1
1
2
2
2
2
2
2
1
0
0
0
6
8
8
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
4
4
5
5
5
5
5
6
6
6
7
8
9
10
11
12
12
13
13
13
14
13

Chance of Frost

Temperature (°C)

4
4
4
5
5
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
78
76
74
73
72
74
79
82
85
87
90
92
95
96
96
97
98
100
100
99
97
96

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1017
1016
1016
1016
1015

Ozone (du)

282
281
281
280
280
280
279
279
279
280
280
282
284
285
287
288
290
290
290
290
291
291
292
292

Saturday 25

Waxing Crescent 3%

09:41

17:47

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:30, Set: 17:18, Transit: 12:55. Moon - Rise: 09:41, Set: 17:47. Civil Dark: 17:55 - 07:53. Nautical Dark: 18:36 - 07:12. Astro Dark: 19:16 - 06:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
87
87
87
87
87
87
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
83
83
83
83
83
83
100
100

Medium Clouds (% Sky Obscured)

48
48
48
48
97
97
97
97
97
97
1
1
1
1
1
1
6
6
6
6
6
6
0
0

High Clouds (% Sky Obscured)

79
79
79
79
91
91
91
91
91
91
1
1
1
1
1
1
39
39
39
39
39
39
26
26

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

5
0
0
3
6
9
13
15
16
12
5
4
0
0
0
5
7
8
9
10
10
9
8
11

Precipitation Amount (mm)

0.01
0
0
0.01
0.03
0.04
0.07
0.09
0.08
0.05
0.03
0.01
0
0
0
0.01
0.03
0.04
0.05
0.06
0.04
0.03
0.03
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
94
93
93
94
94
95
96
96
96
95
97
97
98
99
99
100
100
100
100
100
100
100
99

Pressure (mb)

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

Ozone (du)

293
293
293
293
293
296
299
302
305
307
308
308
306
306
308
310
313
315
317
319
320
322
324
326

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

Generated: 19/01/20 15:05:20. Forecast: 19/01/20 to 25/01/20. Timezone: UTC+1.00