Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Gibbous 77%

14:53

02:25

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
17 Bad
18 Bad

Sun - Rise: 05:14, Set: 18:34, Transit: 11:54. Moon - Rise: 14:53, Set: 02:25. Civil Dark: 18:59 - 04:50. Nautical Dark: 19:28 - 04:20. Astro Dark: 19:58 - 03:50

Total Clouds (% Sky Obscured)

100
100
95
100
95
88
94
84
100
95
92
100
100
100
95
95
100
99
99
98
99
91
87
72

Low Clouds (% Sky Obscured)

0
10
6
2
0
14
31
3
17
3
3
1
8
25
27
12
43
56
34
62
10
3
8
6

Medium Clouds (% Sky Obscured)

84
78
81
61
73
63
63
81
86
95
90
91
91
83
70
90
94
92
98
97
99
92
88
66

High Clouds (% Sky Obscured)

100
100
70
100
38
32
34
36
100
50
31
98
100
100
55
61
100
91
82
55
45
47
45
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
4
4
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 (%)

25
40
0
1
1
3
2
0
0
0
0
0
0
0
2
2
7
11
23
9
11
11
10
30

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)

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

Chance of Frost

Temperature (°C)

26
25
25
24
24
23
23
23
24
23
23
24
25
26
27
28
30
32
31
31
30
30
28
28

Feels Like (°C)

27
26
26
27
27
25
26
26
26
25
26
26
26
28
29
30
32
34
34
32
32
32
30
30

Dew Point (°C)

18
18
18
18
18
18
18
19
19
18
18
18
19
20
18
18
21
24
23
22
23
23
21
23

Relative Humidity (%)

62
66
67
69
69
72
73
74
73
72
71
71
69
68
57
52
58
62
59
59
63
66
65
73

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1009
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008

Ozone (du)

311
310
309
310
312
314
312
311
308
307
305
306
305
307
307
306
305
305
303
301
297
296
296
294

Sunday 19

Waxing Gibbous 85%

15:43

02:53

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
17 Bad
18 Bad

Sun - Rise: 05:14, Set: 18:35, Transit: 11:54. Moon - Rise: 15:43, Set: 02:53. Civil Dark: 18:59 - 04:49. Nautical Dark: 19:28 - 04:20. Astro Dark: 19:58 - 03:50

Total Clouds (% Sky Obscured)

95
99
100
100
97
92
99
100
100
99
96
91
93
85
87
95
100
100
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

59
28
19
24
37
84
35
44
50
33
26
53
72
60
29
83
85
81
67
80
88
88
88
87

Medium Clouds (% Sky Obscured)

66
75
70
87
89
77
84
91
89
93
81
71
86
83
78
84
85
87
86
92
90
90
95
84

High Clouds (% Sky Obscured)

88
97
99
95
36
38
90
100
100
85
54
59
60
58
47
49
94
96
77
65
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
1
5
6
6
7
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

43
19
4
4
7
8
8
2
5
4
18
24
21
50
95
95
95
85
94
84
89
86
85
95

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.8
2.2
2
0.4
0.3
0
0.4
0.3
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
26
26
25
25
25
25
24
25
25
25
25
26
27
29
31
32
33
32
31
31
29
28
27

Feels Like (°C)

29
29
29
28
27
27
28
27
27
27
27
27
28
29
31
33
35
36
35
34
33
32
31
30

Dew Point (°C)

23
23
23
22
22
22
22
22
22
22
21
21
22
23
26
27
30
31
30
29
29
27
26
26

Relative Humidity (%)

77
82
83
82
82
82
83
85
84
83
82
80
78
77
81
81
87
90
90
87
90
88
91
92

Pressure (mb)

1009
1009
1009
1010
1009
1009
1009
1008
1008
1008
1008
1009
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1009
1009

Ozone (du)

294
295
294
293
292
291
293
295
296
296
297
299
298
297
297
298
299
299
298
296
296
297
297
297

Monday 20

Waxing Gibbous 91%

16:36

03:24

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
17 Bad
18 Bad

Sun - Rise: 05:13, Set: 18:35, Transit: 11:54. Moon - Rise: 16:36, Set: 03:24. Civil Dark: N/A - 04:49. Nautical Dark: 19:29 - 04:19. Astro Dark: 19:59 - 03:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

77
74
54
74
80
61
68
52
76
82
81
90
84
60
60
50
62
50
50
49
45
45
26
28

Medium Clouds (% Sky Obscured)

94
95
95
96
100
100
100
93
92
94
100
100
100
100
100
92
94
100
93
92
91
90
85
80

High Clouds (% Sky Obscured)

100
100
100
100
100
90
100
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

7
9
8
8
5
8
3
5
7
2
2
2
2
2
3
1
1
1
1
1
1
1
4
4

Fog (%)

0
0
0
0
0
0
0
1
0
0
25
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

85
70
78
88
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0
0.3
0.6
0.8
1.2
2.3
1
1.5
2.4
3
2.7
5
1.8
3.2
4.7
4.2
5.2
4.7
5.5
8.9
2.6
2
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
29
29
29
29
29
28
29
28
29
29
29
29
29
29
30
30
31
32
32
32
32
32
32

Dew Point (°C)

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

Relative Humidity (%)

92
92
95
95
94
95
95
95
94
95
95
97
97
97
92
95
97
97
97
97
98
98
97
97

Pressure (mb)

1010
1010
1011
1011
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1011
1010
1010
1010
1010
1009
1009
1009
1009
1010

Ozone (du)

297
296
295
297
297
296
296
296
295
296
296
296
296
297
297
296
295
295
297
296
296
295
297
296

Tuesday 21

Waxing Gibbous 96%

17:31

03:58

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
17 Bad
18 Bad

Sun - Rise: 05:13, Set: 18:36, Transit: 11:54. Moon - Rise: 17:31, Set: 03:58. Civil Dark: 19:00 - 04:48. Nautical Dark: 19:29 - 04:19. Astro Dark: 20:00 - 03:49

Total Clouds (% Sky Obscured)

100
100
100
100
95
90
85
90
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
51
54
57
50
52
50
50
45
45
45
44
45
45
22
28
18
23
21
27
24
26
54
43

Medium Clouds (% Sky Obscured)

77
80
83
69
81
87
88
92
79
98
99
99
100
97
93
91
92
92
93
87
82
77
78
78

High Clouds (% Sky Obscured)

100
100
100
100
80
56
34
56
78
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
68
52
51
52
48
41
38
44
40
42
46
58
62
72
83
90
86
55
58
59
54

Precipitation Amount (mm)

1.2
1.4
1
0.3
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
27
26
26
26
25
25
25
25
25
25
25
26
27
28
29
31
32
32
33
32
32
31
30

Feels Like (°C)

31
30
30
30
29
29
29
28
29
28
28
29
30
30
32
33
35
35
35
37
36
35
35
34

Dew Point (°C)

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

Relative Humidity (%)

97
97
98
98
95
92
94
95
94
91
90
90
91
90
86
83
84
86
86
89
91
91
91
93

Pressure (mb)

1010
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1010
1010
1010
1010
1011
1010
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

298
299
297
296
296
296
297
296
296
298
298
297
297
297
298
297
298
298
297
296
295
294
294
295

Wednesday 22

Waxing Gibbous 99%

18:29

04:35

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
17 Bad
18 Bad

Sun - Rise: 05:13, Set: 18:36, Transit: 11:54. Moon - Rise: 18:29, Set: 04:35. Civil Dark: 19:00 - 04:48. Nautical Dark: 19:30 - 04:19. Astro Dark: 20:00 - 03:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94
95
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
59
66
45
33
39
41
55
70
56
68
28
22
30
36
44
53
59
64
59
53
48
50
53

Medium Clouds (% Sky Obscured)

76
75
76
75
83
91
99
99
100
100
100
100
100
97
94
91
85
80
75
79
84
90
91
92

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
74
48
26
48
74
100
100
100
100
100
100

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
8
8
9
9
9
8
6
4
6
8
9
8
8
7
8

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

Precipitation Probability (%)

49
46
69
71
69
48
45
43
70
72
64
57
52
67
61
51
65
71
71
94
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0.2
0
0.6
1
1.4
1.2
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
29
28
28
27
27
27
27
27
26
26
26
27
27
28
29
30
31
31
32
31
30
29
28

Feels Like (°C)

33
33
32
31
31
31
31
31
31
30
29
30
30
31
32
32
33
34
34
35
34
33
32
31

Dew Point (°C)

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

Relative Humidity (%)

93
92
92
92
94
95
94
94
94
94
92
90
88
92
92
93
94
91
91
90
91
94
95
94

Pressure (mb)

1010
1010
1010
1011
1011
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1010

Ozone (du)

295
295
294
293
292
292
292
292
292
292
293
293
294
295
294
294
294
294
293
293
293
293
293
293

Thursday 23

Full Moon 100%

No Rise

05:19

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
17 Bad
18 Bad

Sun - Rise: 05:12, Set: 18:37, Transit: 11:55. Moon - Rise: No Rise, Set: 05:19. Civil Dark: 19:01 - 04:48. Nautical Dark: 19:30 - 04:18. Astro Dark: 20:01 - 03:48

Total Clouds (% Sky Obscured)

100
97
93
90
92
94
96
94
92
90
94
97
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

55
56
57
58
46
35
26
18
9
1
7
13
19
26
33
40
39
39
39
43
47
50
54
57

Medium Clouds (% Sky Obscured)

94
88
83
78
80
84
87
89
89
90
91
94
96
94
93
91
87
83
76
72
71
70
71
73

High Clouds (% Sky Obscured)

100
78
53
29
34
49
65
52
45
31
46
69
95
96
98
100
99
97
97
99
99
100
100
100

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

Light Rain
Light Rain
Very Light Rain
None
None
None
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

Precipitation Probability (%)

89
75
54
14
13
10
4
6
5
1
8
10
8
20
26
29
41
51
60
72
82
90
78
63

Precipitation Amount (mm)

0.8
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.6
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

30
29
30
29
29
29
29
29
28
28
28
29
29
29
30
30
30
31
32
34
30
31
33
31

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
90
90
88
88
87
86
84
84
82
82
80
76
73
68
74
77
83
86
90
94
92

Pressure (mb)

1010
1010
1010
1010
1010
1010
1009
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

293
294
295
296
296
297
298
299
298
298
297
298
298
298
297
297
296
295
295
294
293
292
292
292

Friday 24

Waning Gibbous 99%

19:30

06:09

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

Sun - Rise: 05:12, Set: 18:37, Transit: 11:55. Moon - Rise: 19:30, Set: 06:09. Civil Dark: 19:01 - 04:47. Nautical Dark: 19:31 - 04:18. Astro Dark: 20:02 - 03:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
97
95
93
80
67
54
62
67
74
81
90
100

Low Clouds (% Sky Obscured)

60
58
57
56
54
52
49
49
49
50
33
18
4
8
10
13
17
20
25

Medium Clouds (% Sky Obscured)

74
60
45
34
38
36
35
35
36
36
33
34
34
40
45
51
51
51
51

High Clouds (% Sky Obscured)

100
99
99
98
97
96
96
84
70
57
37
20
3
2
1
4
36
68
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

44
42
38
30
24
17
3
9
10
8
8
7
2
7
7
3
13
17
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
27
27
27
26
26
26
25
25
25
25
26
27
28
29
30
31
31
32

Feels Like (°C)

30
30
30
29
29
29
29
29
28
28
27
28
28
28
32
32
33
33
33

Dew Point (°C)

26
26
26
25
24
24
24
23
23
22
22
22
23
23
23
23
23
22
22

Relative Humidity (%)

91
91
90
88
88
87
88
88
88
86
85
81
78
75
70
65
60
58
57

Pressure (mb)

1010
1010
1010
1010
1011
1010
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1010
1009

Ozone (du)

293
293
292
292
291
291
291
291
290
289
288
289
289
289
290
291
292
291
289

Forecast for Chiayi City, Chiayi, Taiwan ROC (23.48,120.45)

Generated: 18/05/24 18:54:35. Forecast: 18/05/24 to 24/05/24. Timezone: UTC+8.00