Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

First Quarter 51%

12:00

00:26

00 OK
01 OK
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

Sun - Rise: 06:01, Set: 18:43, Transit: 12:22. Moon - Rise: 12:00, Set: 00:26. Civil Dark: 19:05 - 05:39. Nautical Dark: 19:32 - 05:13. Astro Dark: 19:58 - 04:46

Total Clouds (% Sky Obscured)

16
21
70
92
95
92
90
91
81
84
94
95
91
97
95
97
99
99
96
91
91
79
81
78

Low Clouds (% Sky Obscured)

13
16
16
19
13
13
13
9
9
21
20
17
28
14
11
4
86
48
34
16
23
25
15
11

Medium Clouds (% Sky Obscured)

9
16
15
12
26
18
21
16
12
6
1
0
0
0
0
0
0
0
0
2
6
20
22
12

High Clouds (% Sky Obscured)

2
1
63
91
94
90
87
90
77
81
93
94
90
96
95
97
97
98
95
91
90
74
75
76

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

Precipitation Type

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

Precipitation Probability (%)

4
20
16
12
11
8
5
3
3
3
3
3
5
7
2
0
3
4
4
4
4
25
23
18

Precipitation Amount (mm)

0.03
0.08
0.01
0.13
0.03
0.06
0.04
0.02
0.02
0.02
0.02
0.02
0.07
0.23
0.01
0
0.02
0.03
0.04
0.05
0.06
0.16
0.07
0.11

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
26
25
25
24
24
24
24
25
25
26
26
26
27
28
28
27
27
26
26
25
26
25
25

Feels Like (°C)

25
26
26
26
25
24
24
25
26
26
26
26
27
28
30
30
29
28
28
26
26
26
26
26

Dew Point (°C)

21
22
21
21
21
20
20
20
20
20
20
20
20
20
21
20
20
20
21
21
21
21
22
21

Relative Humidity (%)

83
78
79
78
80
81
80
76
74
72
70
69
68
67
64
64
66
68
70
74
78
77
79
81

Pressure (mb)

1018
1017
1017
1016
1016
1016
1016
1017
1018
1018
1018
1018
1017
1017
1017
1016
1016
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

283
283
282
283
282
282
282
282
282
282
283
283
284
284
282
281
280
279
279
279
279
278
279
279

Monday 23

Waxing Gibbous 62%

13:01

01:21

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
21 OK
22 OK
23 OK

Sun - Rise: 06:01, Set: 18:43, Transit: 12:22. Moon - Rise: 13:01, Set: 01:21. Civil Dark: 19:06 - 05:38. Nautical Dark: 19:32 - 05:12. Astro Dark: 19:59 - 04:45

Total Clouds (% Sky Obscured)

74
80
90
94
95
93
89
83
58
59
81
98
99
98
98
98
98
97
81
43
44
38
17
19

Low Clouds (% Sky Obscured)

7
7
23
22
28
32
39
34
52
40
64
66
27
62
51
39
42
57
57
30
30
26
13
17

Medium Clouds (% Sky Obscured)

8
7
10
16
17
15
13
14
18
39
27
19
30
15
48
35
31
34
37
27
31
30
10
5

High Clouds (% Sky Obscured)

72
77
87
92
93
90
82
77
14
23
49
97
99
98
95
98
98
95
66
18
20
8
2
1

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

Precipitation Probability (%)

11
9
10
10
11
12
11
9
8
7
6
6
7
9
12
15
18
20
18
16
13
10
7
6

Precipitation Amount (mm)

0.16
0.17
0.21
0.22
0.24
0.25
0.2
0.14
0.12
0.09
0.07
0.07
0.11
0.21
0.36
0.54
0.75
0.84
0.67
0.5
0.41
0.26
0.13
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
24
24
23
23
23
24
25
26
26
27
28
28
27
27
27
26
26
26
25
25
25
25

Feels Like (°C)

25
25
25
24
24
24
24
25
26
26
28
29
30
30
30
29
28
28
28
26
26
25
25
25

Dew Point (°C)

21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
22
22
22
22
22
22
22
22

Relative Humidity (%)

81
81
81
84
88
89
86
82
78
76
73
72
69
69
70
72
74
76
78
79
82
84
84
83

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018

Ozone (du)

280
280
280
280
281
281
282
282
283
284
284
285
285
285
284
284
284
283
284
285
286
287
288
288

Tuesday 24

Waxing Gibbous 73%

14:00

02:12

00 OK
01 OK
02 OK
03 OK
04 OK
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 OK
21 OK
22 OK
23 OK

Sun - Rise: 06:00, Set: 18:43, Transit: 12:22. Moon - Rise: 14:00, Set: 02:12. Civil Dark: 19:06 - 05:38. Nautical Dark: 19:32 - 05:11. Astro Dark: 19:59 - 04:44

Total Clouds (% Sky Obscured)

21
21
27
33
35
50
88
70
53
52
52
44
48
60
55
47
47
81
57
54
35
33
30
31

Low Clouds (% Sky Obscured)

20
20
24
26
28
45
88
61
41
31
26
32
36
36
41
41
34
73
47
36
31
27
27
29

Medium Clouds (% Sky Obscured)

5
8
12
20
22
20
37
29
26
27
23
30
34
35
32
30
32
41
34
29
10
11
16
22

High Clouds (% Sky Obscured)

0
0
2
5
8
16
22
25
13
24
34
13
17
39
16
19
23
29
31
34
14
16
5
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.1
0.12
0.15
0.11
0.07
0.04
0.03
0.03
0.05
0.04
0.04
0.03
0.04
0.05
0.07
0.09
0.13
0.15
0.12
0.08
0.06
0.04
0.03
0.02

Wind Speed/Direction (mph)

10
10
10
10
10
10
11
11
12
12
13
13
13
13
13
13
13
13
12
12
12
11
12
12

Chance of Frost

Temperature (°C)

25
25
24
24
23
23
24
25
25
26
27
28
28
28
28
27
27
27
27
26
25
25
25
25

Feels Like (°C)

25
25
25
25
24
24
25
25
26
28
29
30
30
30
30
30
29
29
28
28
26
26
25
26

Dew Point (°C)

21
21
21
21
21
21
21
21
21
21
21
21
21
22
22
22
22
22
21
21
21
21
21
21

Relative Humidity (%)

82
82
83
85
88
87
85
81
78
75
71
68
68
69
70
71
72
73
73
75
78
79
80
79

Pressure (mb)

1017
1017
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1017
1017
1018
1018
1018

Ozone (du)

289
290
291
291
292
292
293
295
296
297
297
297
297
297
296
295
294
293
293
293
293
293
293
293

Wednesday 25

Waxing Gibbous 83%

14:58

03:00

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

Sun - Rise: 06:00, Set: 18:44, Transit: 12:22. Moon - Rise: 14:58, Set: 03:00. Civil Dark: 19:06 - 05:37. Nautical Dark: 19:33 - 05:10. Astro Dark: 20:00 - 04:44

Total Clouds (% Sky Obscured)

31
26
20
12
8
6
3
3
1
16
23
26
38
61
74
74
74
74
74
74
14
14
14
14

Low Clouds (% Sky Obscured)

30
25
19
12
8
6
3
3
1
16
23
23
23
19
66
66
66
66
66
66
6
6
6
6

Medium Clouds (% Sky Obscured)

23
16
8
3
2
2
1
0
0
0
1
15
35
59
71
71
71
71
71
71
2
2
2
2

High Clouds (% Sky Obscured)

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

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 (%)

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

Precipitation Amount (mm)

0.03
0.03
0.04
0.04
0.05
0.06
0.05
0.05
0.06
0.08
0.15
0.19
0.14
0.09
0.08
0.08
0.07
0.07
0.07
0.08
0.07
0.06
0.04
0.03

Wind Speed/Direction (mph)

11
11
10
10
10
10
10
10
10
11
11
12
12
12
13
12
12
12
12
11
11
11
11
11

Chance of Frost

Temperature (°C)

25
25
25
24
23
23
24
25
25
26
26
27
27
28
28
28
28
28
27
26
26
25
25
25

Feels Like (°C)

26
26
25
25
24
24
24
25
26
26
28
29
29
30
31
31
30
30
29
28
26
26
25
26

Dew Point (°C)

21
21
21
21
21
21
21
21
22
22
22
21
21
21
21
21
21
21
21
21
22
22
22
22

Relative Humidity (%)

78
78
79
82
86
88
87
83
80
78
75
73
70
68
66
66
67
69
71
74
78
81
83
83

Pressure (mb)

1018
1017
1017
1016
1016
1016
1016
1017
1017
1018
1018
1018
1017
1016
1016
1015
1015
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

293
292
292
292
291
291
291
291
291
291
291
290
290
289
288
287
285
284
284
284
285
284
284
284

Thursday 26

Waxing Gibbous 90%

15:54

03:44

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

Sun - Rise: 05:59, Set: 18:44, Transit: 12:21. Moon - Rise: 15:54, Set: 03:44. Civil Dark: 19:07 - 05:36. Nautical Dark: 19:33 - 05:10. Astro Dark: 20:00 - 04:43

Total Clouds (% Sky Obscured)

14
14
13
13
13
13
13
13
15
15
15
15
15
15
41
41
41
41
41
41
16
16
16
16

Low Clouds (% Sky Obscured)

6
6
13
13
13
13
13
13
14
14
14
14
14
14
27
27
27
27
27
27
15
15
15
15

Medium Clouds (% Sky Obscured)

2
2
6
6
6
6
6
6
6
6
6
6
6
6
36
36
36
36
36
36
5
5
5
5

High Clouds (% Sky Obscured)

9
9
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
1
1
1
1

ISS Passover

Visibility (miles)

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
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

Precipitation Probability (%)

3
4
4
5
5
5
5
5
4
4
4
3
4
5
6
8
10
11
11
10
8
6
3
0

Precipitation Amount (mm)

0.04
0.06
0.07
0.1
0.1
0.1
0.09
0.08
0.08
0.07
0.05
0.06
0.09
0.15
0.21
0.24
0.29
0.34
0.34
0.32
0.26
0.13
0.03
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
25
24
24
24
24
25
26
26
27
28
28
29
29
28
28
27
27
26
26
25
25
25

Feels Like (°C)

26
26
25
25
25
25
25
26
26
28
29
31
31
32
32
31
30
30
29
28
26
26
26
26

Dew Point (°C)

22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22

Relative Humidity (%)

83
83
84
85
87
87
85
83
80
77
73
69
68
66
66
68
71
73
75
77
80
83
83
83

Pressure (mb)

1016
1015
1015
1014
1014
1014
1015
1015
1016
1016
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017

Ozone (du)

283
282
282
281
281
280
280
279
279
279
279
278
277
276
275
274
273
273
273
273
273
273
273
273

Friday 27

Waxing Gibbous 96%

16:49

04:26

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

Sun - Rise: 05:58, Set: 18:44, Transit: 12:21. Moon - Rise: 16:49, Set: 04:26. Civil Dark: 19:07 - 05:36. Nautical Dark: 19:34 - 05:09. Astro Dark: 20:01 - 04:42

Total Clouds (% Sky Obscured)

16
16
29
29
29
29
29
29
27
27
27
27
27
27
77
77
77
77
77
77
42
42
42
42

Low Clouds (% Sky Obscured)

15
15
23
23
23
23
23
23
27
27
27
27
27
27
10
10
10
10
10
10
2
2
2
2

Medium Clouds (% Sky Obscured)

5
5
23
23
23
23
23
23
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
75
75
75
75
75
75
41
41
41
41

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

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
25
24
24
24
24
25
26
27
28
28
29
29
29
29
29
29
28
27
26
25
25
25

Feels Like (°C)

26
26
25
25
24
24
25
26
26
28
30
31
31
31
31
31
31
31
30
29
28
26
25
25

Dew Point (°C)

22
22
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21

Relative Humidity (%)

82
81
83
86
88
88
85
81
77
73
69
66
64
62
61
61
61
62
64
67
71
75
78
79

Pressure (mb)

1016
1015
1015
1015
1014
1015
1015
1015
1016
1016
1017
1017
1016
1016
1015
1015
1014
1014
1015
1015
1016
1016
1017
1017

Ozone (du)

273
273
273
273
272
272
272
272
272
272
272
272
272
272
271
271
270
270
270
271
271
271
271
271

Saturday 28

Waxing Gibbous 99%

17:43

05:07

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

Sun - Rise: 05:58, Set: 18:45, Transit: 12:21. Moon - Rise: 17:43, Set: 05:07. Civil Dark: 19:07 - 05:35. Nautical Dark: 19:34 - 05:08. Astro Dark: 20:01 - 04:41

Total Clouds (% Sky Obscured)

42
42
11
11
11
11
11
11
10
10
10
10
10
10
96
96
96
96
96
96
42
42
42
42

Low Clouds (% Sky Obscured)

2
2
10
10
10
10
10
10
4
4
4
4
4
4
19
19
19
19
19
19
6
6
6
6

Medium Clouds (% Sky Obscured)

0
0
7
7
7
7
7
7
0
0
0
0
0
0
56
56
56
56
56
56
0
0
0
0

High Clouds (% Sky Obscured)

41
41
0
0
0
0
0
0
7
7
7
7
7
7
91
91
91
91
91
91
38
38
38
38

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

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
2
3
3
3
3
3
2
0
0
0
0
0
0
0
0
0
0
2
2
2
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
24
24
23
22
22
23
25
26
27
27
28
28
29
29
29
28
28
28
27
26
25
25
25

Feels Like (°C)

25
25
24
24
23
23
24
25
26
28
29
30
30
31
31
31
30
30
29
28
27
26
25
25

Dew Point (°C)

21
21
21
21
20
20
20
20
21
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20

Relative Humidity (%)

80
81
83
86
89
88
84
78
73
69
66
63
61
59
58
59
60
61
63
65
69
72
75
75

Pressure (mb)

1017
1016
1016
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1016
1017
1017
1018
1018

Ozone (du)

271
270
270
270
271
271
271
271
272
272
272
272
272
271
271
271
270
270
270
270
270
270
270
270

Forecast for San Juan, El Cinco, PR (18.40,-66.07)

Generated: 22/04/18 21:54:30. Forecast: 22/04/18 to 28/04/18. Timezone: UTC-4.00