Coshocton
Clear Sky Chart
History

This sumarizes the distribution of each different forecast outcome for the Coshocton clear sky chart from 2005-11-06 to 2024-01-14.

This page is a summary of past forecasts. Even though it's based only on forecasts, some people use these pages as clue to a site's climate. But climate data based on actual observation should be preferred (if you can find it!).

Cloud, Transparency and Seeing forecasts are summarized individually. But because good observing conditions require a combination of minimum cloud cover, transparency and seeing, the individual forecast summaries can be difficult to interpret. The observing conditions section counts the combinations of conditions needed for common types of astronomical observation.

Observing Conditions

The following tables count the occurrence of the combinations of forecast and darkness conditions needed for different observations. Conditions are rated by by what percentage of the hours the observation would likely be attempted are usable.
Observation TypeMinimum conditions for hour to be usableOut of hours
Clear of CloudsTransparencySeeingSky Brightness
Planetary:50%(no limit)Average(no limit)Nighttime Hours
Deep Sky:70%Average(no limit)5.9Nighttime Hours
CCD Imaging:70%Below AveragePoor(no limit)Nighttime Hours

Percentages are of nighttime hours per month, or per year, when a particular observing conditions was met. Deep Sky percentages never exceed 50% because the moon is up half the time. Deep sky percentages are much lower for charts at high latitudes because of fewer dark hours in the summer.

Overall

PlanetaryData
Pts
Deep Sky
Max 60%
Data
Pts
Both Planetary and Deep Sky
Max 60%
Data
Pts
Either Planetary or Deep SkyData
Pts
CCD ImagingData
Pts
Night
36%
23956
16%
75052
11%
23910
43%
23910
19%
52244

By Month

MonthDays of MonthPlanetaryData
Pts
Deep Sky
Max 60%
Data
Pts
Both Planetary and Deep Sky
Max 60%
Data
Pts
Either Planetary or Deep SkyData
Pts
CCD ImagingData
Pts
January1st to 10thNight
15%
758
12%
2459
5%
757
23%
757
9%
1935
January11th to 20thNight
14%
735
9%
2386
3%
735
20%
735
9%
1914
January21st to endNight
17%
792
11%
2574
6%
792
23%
792
9%
2032
February1st to 10thNight
17%
720
9%
2340
4%
720
24%
720
10%
1828
February11th to 20thNight
17%
700
11%
2182
5%
700
23%
700
10%
1684
February21st to endNight
15%
592
13%
1776
4%
592
23%
592
10%
1397
March1st to 10thNight
22%
720
17%
2034
8%
720
30%
720
17%
1463
March11th to 20thNight
27%
720
19%
1980
10%
720
35%
720
19%
1387
March21st to endNight
25%
792
17%
2178
8%
792
33%
792
19%
1562
April1st to 10thNight
25%
720
16%
1971
6%
720
32%
720
21%
1381
April11th to 20thNight
32%
575
19%
1639
9%
575
40%
575
24%
1109
April21st to endNight
30%
540
17%
1620
6%
540
40%
540
22%
1091
May1st to 10thNight
34%
540
13%
1620
6%
540
39%
540
18%
1155
May11th to 20thNight
40%
531
16%
1593
10%
531
45%
531
22%
1086
May21st to endNight
57%
582
15%
1745
10%
582
60%
582
30%
1083
June1st to 10thNight
51%
540
16%
1620
13%
540
56%
540
30%
986
June11th to 20thNight
56%
540
17%
1620
14%
540
61%
540
32%
989
June21st to endNight
57%
540
16%
1620
14%
540
61%
540
31%
1009
July1st to 10thNight
62%
525
15%
1575
14%
525
64%
525
30%
987
July11th to 20thNight
61%
522
19%
1566
15%
522
64%
522
35%
921
July21st to endNight
61%
591
16%
1672
15%
558
63%
558
28%
1070
August1st to 10thNight
68%
537
19%
1600
14%
534
70%
534
31%
969
August11th to 20thNight
64%
534
21%
1598
17%
534
66%
534
31%
1003
August21st to endNight
65%
613
24%
1801
19%
613
68%
613
36%
1062
September1st to 10thNight
57%
720
24%
1930
16%
720
61%
720
35%
1184
September11th to 20thNight
67%
720
29%
1980
23%
720
70%
720
41%
1133
September21st to endNight
49%
720
24%
1980
18%
720
55%
720
30%
1276
October1st to 10thNight
50%
720
22%
2078
17%
720
56%
720
31%
1285
October11th to 20thNight
34%
720
20%
2160
13%
720
44%
720
22%
1463
October21st to endNight
32%
792
21%
2376
15%
792
40%
792
19%
1653
November1st to 10thNight
40%
740
22%
2398
17%
740
49%
740
26%
1471
November11th to 20thNight
28%
760
19%
2470
11%
760
38%
760
18%
1702
November21st to endNight
26%
760
15%
2548
10%
760
34%
760
14%
1850
December1st to 10thNight
18%
760
10%
2660
6%
760
24%
760
10%
2069
December11th to 20thNight
21%
759
10%
3191
5%
759
27%
759
10%
2366
December21st to endNight
17%
826
6%
4512
5%
817
24%
817
5%
3689

Individual Forecasts

The length of each colored bar in the "occurrence of each Forecast" column is proportional to the number of times the chart forecast that color. The percentages are of the total number of hours per month, or per year, with a particular forecast. The colors as the same as those used in clear sky charts.

Note: Transparency probabilities are only counted for those hours that have 30% or less cloud cover. Seeing probabilities are only counted for those hours that have 80% or less cloud cover. If that's too tricky, try Observing Conditions instead.

Overall

Occurrence of each ForecastData
Points
Cloud CoverDay
16%10%47%6%35%5%5%7%32%
74433
Night
16%10%47%6%3445%7%35%
75308
TransparencyDay
51%6%11%20%11%1
74154
Night
50%5%11%20%12%2
75106
SeeingDay
22%12%27%21%12%5%
13613
Night
22%10%25%28%14%2
23974

By Month

Percentage Cloud Cover SE (2006-)
Color Meanings:
Overcast 90% covered 80% covered 70% covered 60% covered 50% covered 40% covered 30% covered 20% covered 10% covered Clear
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 10thDay
19%16%6%10%8%44345%20%
1706
11th to 20thDay
19%21%8%12%5%33335%19%
1647
21st to endDay
17%20%7%11%9%3434418%
1782
February1st to 10thDay
21%17%6%8%7%34435%22%
1620
11th to 20thDay
17%14%7%11%7%35%35%6%23%
1662
21st to endDay
18%14%6%9%6%33335%30%
1480
March1st to 10thDay
18%11%5%7%6%4445%6%31%
1926
11th to 20thDay
19%13%47%6%3445%7%29%
1980
21st to endDay
25%8%47%6%35%346%28%
2178
April1st to 10thDay
16%11%47%6%35%45%6%34%
1988
11th to 20thDay
18%10%35%6%45%45%7%34%
2284
21st to endDay
20%8%37%6%45%5%5%6%31%
2340
May1st to 10thDay
19%10%36%6%5%5%5%5%8%29%
2340
11th to 20thDay
21%7%46%6%35%5%5%7%32%
2301
21st to endDay
10%5%36%7%46%7%7%10%37%
2531
June1st to 10thDay
11%6%36%7%37%6%6%8%36%
2340
11th to 20thDay
13%6%36%6%46%6%6%9%34%
2340
21st to endDay
11%5%345%46%6%9%10%36%
2340
July1st to 10thDay
11%6%36%6%46%6%6%8%37%
2340
11th to 20thDay
10%6%36%6%46%47%9%39%
2340
21st to endDay
11%5%36%6%46%6%6%11%36%
2547
August1st to 10thDay
9%6%26%6%47%7%7%11%35%
2327
11th to 20thDay
11%6%27%6%46%7%7%11%34%
2303
21st to endDay
9%6%25%5%46%5%7%9%41%
2536
September1st to 10thDay
15%5%25%5%3445%8%44%
2026
11th to 20thDay
10%5%26%436%5%7%9%44%
1980
21st to endDay
19%6%26%5%34447%40%
1980
October1st to 10thDay
15%7%25%5%335%5%7%41%
1881
11th to 20thDay
16%8%37%5%35%5%5%6%37%
1800
21st to endDay
22%10%36%5%34445%33%
1980
November1st to 10thDay
11%8%37%5%3345%6%44%
1677
11th to 20thDay
18%12%47%6%2445%5%34%
1710
21st to endDay
20%12%5%7%5%3445%5%30%
1626
December1st to 10thDay
22%16%7%9%6%35%346%19%
1520
11th to 20thDay
18%16%6%11%6%35%45%6%21%
1951
21st to endDay
25%22%5%9%7%4434413%
3124
January1st to 10thNight
18%15%7%9%6%46%43422%
2459
11th to 20thNight
20%17%6%9%7%45%445%20%
2386
21st to endNight
19%16%7%10%7%34445%22%
2574
February1st to 10thNight
22%15%49%7%3434424%
2340
11th to 20thNight
19%12%5%9%7%35%5%4424%
2180
21st to endNight
21%14%6%10%6%44335%24%
1776
March1st to 10thNight
17%10%48%6%335%45%33%
2034
11th to 20thNight
17%10%45%6%3445%6%35%
1980
21st to endNight
20%9%46%6%43446%34%
2178
April1st to 10thNight
18%10%36%5%345%46%36%
1971
11th to 20thNight
16%7%35%6%345%6%8%37%
1639
21st to endNight
15%8%35%5%45%45%7%38%
1620
May1st to 10thNight
18%7%37%8%35%5%6%6%31%
1620
11th to 20thNight
16%8%36%5%45%447%37%
1592
21st to endNight
9%5%35%5%36%5%8%10%41%
1744
June1st to 10thNight
8%5%36%6%35%5%6%8%45%
1620
11th to 20thNight
11%5%35%5%2448%11%42%
1620
21st to endNight
11%425%5%346%6%10%44%
1620
July1st to 10thNight
8%5%26%6%35%5%6%9%45%
1620
11th to 20thNight
8%4245%35%5%6%10%47%
1620
21st to endNight
7%5%37%6%46%7%6%9%40%
1771
August1st to 10thNight
6%425%6%47%6%8%9%43%
1611
11th to 20thNight
9%6%36%5%445%6%9%45%
1598
21st to endNight
8%4245%345%7%8%49%
1801
September1st to 10thNight
14%42442435%7%51%
1930
11th to 20thNight
11%31342445%8%55%
1980
21st to endNight
15%6%26%424346%47%
1980
October1st to 10thNight
13%5%25%5%35%45%7%47%
2078
11th to 20thNight
16%9%26%6%35%45%6%39%
2160
21st to endNight
23%8%26%43445%6%34%
2376
November1st to 10thNight
15%7%25%5%34446%45%
2398
11th to 20thNight
18%10%46%6%3345%6%35%
2470
21st to endNight
20%12%5%7%6%3445%6%29%
2548
December1st to 10thNight
23%16%6%8%6%34345%22%
2660
11th to 20thNight
18%16%7%8%5%245%5%5%25%
3222
21st to endNight
25%20%6%8%6%3443416%
4532

Transparency (when cloud cover <= 30%)
Color Meanings:
Too cloudy to forecast Poor Below Average Average Above average Transparent
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 10thDay
67%5%9%13%6%
1707
11th to 20thDay
71%312%11%3
1647
21st to endDay
70%49%12%41
1782
February1st to 10thDay
66%310%13%7%1
1620
11th to 20thDay
63%48%16%8%1
1671
21st to endDay
59%39%18%8%2
1480
March1st to 10thDay
55%410%24%7%
1926
11th to 20thDay
55%6%9%18%11%2
1980
21st to endDay
58%49%19%10%1
2178
April1st to 10thDay
52%412%19%11%2
1988
11th to 20thDay
50%5%12%16%15%2
2284
21st to endDay
52%6%9%20%12%2
2340
May1st to 10thDay
53%6%11%19%9%2
2340
11th to 20thDay
52%6%11%17%13%1
2305
21st to endDay
40%9%14%24%12%1
2531
June1st to 10thDay
43%8%12%22%13%1
2340
11th to 20thDay
44%8%13%20%13%1
2340
21st to endDay
39%8%15%22%13%2
2340
July1st to 10thDay
43%7%12%22%14%1
2275
11th to 20thDay
39%7%12%26%14%1
2271
21st to endDay
40%7%14%25%12%2
2405
August1st to 10thDay
40%9%14%25%12%1
2314
11th to 20thDay
41%8%15%24%11%1
2303
21st to endDay
36%8%13%24%14%4
2536
September1st to 10thDay
39%5%13%22%19%4
2026
11th to 20thDay
35%7%13%25%17%2
1980
21st to endDay
46%410%23%17%1
1980
October1st to 10thDay
42%6%11%22%18%1
1881
11th to 20thDay
45%6%11%24%14%1
1800
21st to endDay
53%412%20%10%1
1980
November1st to 10thDay
40%5%10%27%16%2
1677
11th to 20thDay
53%48%22%10%3
1710
21st to endDay
57%410%19%9%1
1626
December1st to 10thDay
68%5%9%15%3
1520
11th to 20thDay
65%49%17%5%
1947
21st to endDay
75%5%9%7%3
3124
January1st to 10thNight
66%48%15%7%
2459
11th to 20thNight
68%412%13%4
2386
21st to endNight
66%48%16%6%1
2574
February1st to 10thNight
65%410%16%6%
2340
11th to 20thNight
62%5%8%16%8%1
2182
21st to endNight
65%38%14%9%2
1776
March1st to 10thNight
53%49%22%12%1
2034
11th to 20thNight
50%410%24%9%3
1980
21st to endNight
52%49%20%13%2
2178
April1st to 10thNight
49%410%20%15%2
1971
11th to 20thNight
44%6%12%17%18%3
1639
21st to endNight
46%5%11%21%15%2
1620
May1st to 10thNight
51%6%11%18%10%3
1620
11th to 20thNight
48%5%11%20%14%3
1593
21st to endNight
36%7%17%25%14%1
1745
June1st to 10thNight
36%6%13%26%16%3
1620
11th to 20thNight
34%7%16%24%17%2
1620
21st to endNight
35%8%13%25%18%2
1620
July1st to 10thNight
35%9%12%23%19%3
1575
11th to 20thNight
31%7%14%27%19%3
1566
21st to endNight
37%9%15%23%14%3
1672
August1st to 10thNight
33%9%15%25%18%
1600
11th to 20thNight
36%7%14%25%16%2
1598
21st to endNight
30%7%14%27%17%5%
1801
September1st to 10thNight
34%5%12%24%20%6%
1930
11th to 20thNight
27%6%13%28%24%2
1980
21st to endNight
39%5%11%21%23%1
1980
October1st to 10thNight
37%5%12%24%21%1
2078
11th to 20thNight
46%5%9%25%14%1
2160
21st to endNight
50%49%22%12%2
2376
November1st to 10thNight
40%412%24%17%3
2398
11th to 20thNight
51%49%21%13%2
2470
21st to endNight
57%411%21%6%1
2548
December1st to 10thNight
65%49%17%5%
2660
11th to 20thNight
60%5%13%18%4
3225
21st to endNight
71%5%10%11%3
4532

Seeing (when cloud cover <= 80%)
Color Meanings:
Too cloudy to forecast Bad 1/5 Poor 2/5 Average 3/5 Good 4/5 Excellent 5/5
MonthDays in MonthOccurrence of each ForecastData
Points
January1st to 10thDay
33%20%32%9%41
270
11th to 20thDay
35%20%36%7%2
249
21st to endDay
31%26%31%9%3
264
February1st to 10thDay
37%21%32%9%1
240
11th to 20thDay
35%30%28%6%
240
21st to endDay
34%28%36%21
198
March1st to 10thDay
29%19%31%16%5%
366
11th to 20thDay
31%17%32%14%6%1
420
21st to endDay
33%17%29%17%4
462
April1st to 10thDay
27%16%31%16%8%2
420
11th to 20thDay
30%14%27%18%8%3
412
21st to endDay
26%18%32%15%6%2
420
May1st to 10thDay
29%15%29%17%8%4
423
11th to 20thDay
24%9%30%22%9%5%
447
21st to endDay
15%8%25%27%19%7%
485
June1st to 10thDay
14%7%32%28%14%5%
450
11th to 20thDay
18%8%23%30%15%6%
450
21st to endDay
14%8%29%28%15%5%
450
July1st to 10thDay
15%418%25%23%16%
445
11th to 20thDay
12%5%25%30%19%10%
444
21st to endDay
12%423%28%22%11%
488
August1st to 10thDay
15%418%28%23%12%
446
11th to 20thDay
14%6%18%32%21%9%
439
21st to endDay
10%423%24%26%13%
495
September1st to 10thDay
16%420%28%22%10%
450
11th to 20thDay
11%318%28%29%11%
450
21st to endDay
24%7%22%24%17%6%
450
October1st to 10thDay
14%9%26%27%18%5%
450
11th to 20thDay
20%16%29%26%8%1
450
21st to endDay
31%13%29%19%7%1
495
November1st to 10thDay
20%19%33%16%10%3
275
11th to 20thDay
32%13%31%16%6%2
270
21st to endDay
26%19%39%14%2
230
December1st to 10thDay
30%19%34%11%32
180
11th to 20thDay
27%22%34%13%3
193
21st to endDay
35%19%29%14%3
297
January1st to 10thNight
30%17%32%17%4
760
11th to 20thNight
33%16%30%18%3
735
21st to endNight
29%19%29%21%3
792
February1st to 10thNight
32%14%30%22%2
720
11th to 20thNight
29%17%33%19%1
703
21st to endNight
29%17%33%18%3
592
March1st to 10thNight
26%16%31%23%4
720
11th to 20thNight
26%17%27%23%7%
720
21st to endNight
27%13%31%23%6%
792
April1st to 10thNight
24%14%32%24%6%1
720
11th to 20thNight
21%12%32%22%11%1
575
21st to endNight
21%9%35%28%7%1
540
May1st to 10thNight
22%7%28%31%12%1
540
11th to 20thNight
21%6%24%34%14%1
531
21st to endNight
12%320%38%24%3
584
June1st to 10thNight
10%422%42%20%1
540
11th to 20thNight
14%319%39%22%2
540
21st to endNight
12%320%39%24%2
540
July1st to 10thNight
10%214%40%27%7%
525
11th to 20thNight
10%316%34%31%7%
522
21st to endNight
11%212%39%32%3
591
August1st to 10thNight
8%111%43%32%4
537
11th to 20thNight
11%211%43%28%5%
534
21st to endNight
10%217%32%32%7%
613
September1st to 10thNight
17%315%30%29%6%
720
11th to 20thNight
12%313%36%33%5%
720
21st to endNight
18%5%22%31%21%3
720
October1st to 10thNight
17%6%21%33%21%3
720
11th to 20thNight
20%9%30%27%12%1
720
21st to endNight
27%10%27%27%9%
792
November1st to 10thNight
19%10%27%28%15%1
740
11th to 20thNight
26%12%28%23%10%1
760
21st to endNight
28%12%29%24%7%1
760
December1st to 10thNight
35%12%29%19%4
760
11th to 20thNight
27%14%30%23%4
760
21st to endNight
32%13%31%22%3
836
Page generated at 2024-01-11 04:22:38. Version ac07

Copyright 2024 Attilla Danko


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