Fisheating Creek Campgrounds
Clear Sky Chart
History

This sumarizes the distribution of each different forecast outcome for the Fisheating Creek Campgrounds clear sky chart from 2005-11-06 to 2024-02-15.

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
61%
24831
19%
79795
16%
24733
66%
24733
27%
50978

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
54%
750
19%
4038
17%
737
63%
737
18%
2388
January11th to 20thNight
50%
758
16%
4105
20%
740
60%
740
14%
2925
January21st to endNight
45%
828
17%
4271
18%
814
54%
814
17%
2490
February1st to 10thNight
48%
760
23%
2280
17%
760
55%
760
30%
1390
February11th to 20thNight
54%
719
28%
2149
19%
718
64%
718
39%
1182
February21st to endNight
58%
592
33%
1628
23%
592
66%
592
43%
907
March1st to 10thNight
55%
720
33%
1980
21%
720
65%
720
50%
1033
March11th to 20thNight
58%
720
30%
1980
21%
720
64%
720
43%
1107
March21st to endNight
57%
792
31%
2178
23%
792
64%
792
46%
1199
April1st to 10thNight
61%
720
25%
1980
20%
720
65%
720
45%
1092
April11th to 20thNight
58%
711
21%
1926
15%
711
62%
711
37%
1171
April21st to endNight
60%
720
29%
1800
18%
720
65%
720
43%
1084
May1st to 10thNight
68%
715
27%
1795
17%
715
71%
715
50%
1009
May11th to 20thNight
69%
531
17%
1592
13%
531
71%
531
33%
978
May21st to endNight
74%
582
18%
1744
16%
582
74%
582
29%
1123
June1st to 10thNight
65%
540
12%
1620
10%
540
66%
540
19%
1198
June11th to 20thNight
76%
540
10%
1620
9%
540
76%
540
23%
1152
June21st to endNight
73%
540
10%
1620
9%
540
73%
540
21%
1203
July1st to 10thNight
72%
525
5%
1575
5%
525
72%
525
19%
1193
July11th to 20thNight
76%
522
6%
1566
6%
522
76%
522
20%
1169
July21st to endNight
73%
591
6%
1672
7%
558
74%
558
20%
1257
August1st to 10thNight
75%
537
6%
1600
6%
534
75%
534
20%
1187
August11th to 20thNight
74%
623
5%
1763
6%
623
74%
623
19%
1315
August21st to endNight
59%
792
6%
2178
6%
792
59%
792
14%
1712
September1st to 10thNight
65%
720
6%
1980
6%
720
65%
720
16%
1515
September11th to 20thNight
63%
720
6%
1980
6%
720
63%
720
17%
1506
September21st to endNight
56%
720
11%
1980
10%
720
57%
720
16%
1511
October1st to 10thNight
63%
720
17%
2003
17%
720
65%
720
26%
1332
October11th to 20thNight
66%
720
22%
2160
23%
720
69%
720
30%
1335
October21st to endNight
63%
792
24%
2376
24%
792
66%
792
34%
1405
November1st to 10thNight
60%
740
25%
2221
22%
740
66%
740
35%
1307
November11th to 20thNight
60%
760
25%
2280
23%
760
64%
760
32%
1385
November21st to endNight
59%
760
28%
2280
25%
760
65%
760
33%
1353
December1st to 10thNight
61%
760
28%
2458
26%
760
67%
760
34%
1387
December11th to 20thNight
58%
760
25%
2937
23%
758
63%
758
27%
1646
December21st to endNight
57%
831
13%
4480
21%
817
62%
817
16%
2832

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
8%6%37%7%5%7%6%7%9%37%
78737
Night
7%6%36%6%45%6%7%9%42%
80344
TransparencyDay
41%10%15%17%13%4
78460
Night
36%10%16%19%14%4
80140
SeeingDay
7%316%25%26%23%
14688
Night
8%318%34%28%10%
24861

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
9%8%46%5%446%6%6%43%
2836
11th to 20thDay
16%8%36%7%35%5%6%9%32%
2840
21st to endDay
8%6%37%7%46%6%6%7%40%
3284
February1st to 10thDay
10%5%244346%7%8%46%
1900
11th to 20thDay
5%3245%35%46%8%55%
1791
21st to endDay
6%4245%35%5%5%11%50%
1628
March1st to 10thDay
3324445%5%6%9%56%
1980
11th to 20thDay
6%425%5%3446%8%53%
1980
21st to endDay
4325%5%35%5%6%8%54%
2178
April1st to 10thDay
4325%6%47%6%7%8%48%
1980
11th to 20thDay
6%5%36%6%46%7%7%9%41%
1982
21st to endDay
5%4245%35%6%6%10%50%
2160
May1st to 10thDay
5%2235%35%6%6%9%54%
2178
11th to 20thDay
9%5%37%7%46%7%8%10%36%
2301
21st to endDay
8%5%37%9%6%8%6%7%9%32%
2531
June1st to 10thDay
14%8%49%9%5%8%7%7%9%21%
2340
11th to 20thDay
8%6%310%8%7%8%8%8%10%23%
2340
21st to endDay
8%7%49%10%6%9%8%7%10%23%
2340
July1st to 10thDay
9%7%48%9%7%9%7%8%10%22%
2340
11th to 20thDay
6%6%38%10%6%9%8%8%11%23%
2340
21st to endDay
7%7%49%9%7%9%8%8%11%21%
2547
August1st to 10thDay
6%6%37%10%6%9%9%9%11%24%
2327
11th to 20thDay
5%6%39%9%7%10%9%9%10%23%
2111
21st to endDay
8%7%411%10%6%10%8%8%9%20%
2178
September1st to 10thDay
6%7%39%10%6%8%8%9%11%22%
1980
11th to 20thDay
7%7%5%9%10%7%8%7%8%11%21%
1980
21st to endDay
11%8%49%8%5%7%6%7%9%26%
1980
October1st to 10thDay
7%5%48%8%5%8%5%6%9%35%
1954
11th to 20thDay
7%5%26%7%5%8%6%7%10%39%
1800
21st to endDay
7%5%25%6%45%6%7%9%44%
1980
November1st to 10thDay
6%5%26%5%35%6%7%8%47%
1857
11th to 20thDay
9%6%26%6%45%5%7%9%42%
1900
21st to endDay
7%425%5%46%5%6%7%46%
1900
December1st to 10thDay
8%425%5%35%5%5%9%48%
1717
11th to 20thDay
10%5%35%5%35%5%6%8%45%
2153
21st to endDay
10%7%37%8%46%6%7%9%33%
3124
January1st to 10thNight
9%7%36%5%46%5%7%9%38%
4109
11th to 20thNight
15%11%48%7%35%5%5%7%29%
4120
21st to endNight
7%7%37%7%45%6%6%7%40%
4368
February1st to 10thNight
8%6%25%5%35%5%6%9%46%
2280
11th to 20thNight
6%4244345%6%8%54%
2149
21st to endNight
5%425%43445%8%57%
1628
March1st to 10thNight
432342445%9%61%
1980
11th to 20thNight
5%324435%5%5%10%55%
1980
21st to endNight
3324425%5%5%9%58%
2178
April1st to 10thNight
5%32433447%9%57%
1980
11th to 20thNight
44246%45%6%7%9%49%
1926
21st to endNight
5%5%245%345%6%8%55%
1800
May1st to 10thNight
332443445%9%60%
1795
11th to 20thNight
6%435%6%35%5%7%9%47%
1592
21st to endNight
7%435%6%36%6%8%10%41%
1744
June1st to 10thNight
12%7%27%7%47%5%7%9%31%
1620
11th to 20thNight
6%6%36%6%38%7%9%14%31%
1620
21st to endNight
5%6%38%8%47%8%9%11%31%
1620
July1st to 10thNight
8%6%47%7%5%7%8%8%11%29%
1620
11th to 20thNight
5%5%37%8%5%6%8%10%13%30%
1620
21st to endNight
5%5%48%7%5%8%7%8%12%31%
1771
August1st to 10thNight
46%37%8%5%7%9%8%12%32%
1611
11th to 20thNight
5%5%37%7%5%6%7%10%12%32%
1763
21st to endNight
9%6%38%9%6%7%7%8%11%26%
2178
September1st to 10thNight
6%6%37%9%5%8%8%9%12%29%
1980
11th to 20thNight
9%7%48%7%6%6%6%8%10%29%
1980
21st to endNight
12%9%37%8%46%6%8%9%28%
1980
October1st to 10thNight
9%6%25%7%45%5%7%9%40%
2003
11th to 20thNight
8%6%35%5%35%5%6%8%46%
2160
21st to endNight
8%5%25%5%345%5%10%48%
2376
November1st to 10thNight
8%5%25%5%3446%7%50%
2221
11th to 20thNight
6%6%35%6%45%5%6%9%46%
2280
21st to endNight
8%5%25%5%245%6%9%48%
2280
December1st to 10thNight
6%4245%35%5%5%8%52%
2458
11th to 20thNight
9%6%35%5%34447%50%
3042
21st to endNight
10%8%37%7%46%6%7%8%34%
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
40%6%8%20%21%5%
2837
11th to 20thDay
47%8%9%17%16%3
2840
21st to endDay
41%6%9%19%18%7%
3284
February1st to 10thDay
34%6%12%19%21%8%
1900
11th to 20thDay
25%5%10%26%23%11%
1801
21st to endDay
29%6%12%19%24%10%
1628
March1st to 10thDay
24%6%13%23%24%9%
1980
11th to 20thDay
27%7%11%26%22%7%
1980
21st to endDay
27%6%11%25%22%10%
2178
April1st to 10thDay
29%9%15%24%17%6%
1980
11th to 20thDay
35%8%13%21%19%5%
1982
21st to endDay
27%7%13%21%26%6%
2160
May1st to 10thDay
25%7%13%22%25%8%
2178
11th to 20thDay
40%10%15%19%15%1
2305
21st to endDay
43%11%14%16%15%1
2531
June1st to 10thDay
57%10%16%12%4
2340
11th to 20thDay
49%17%17%16%2
2340
21st to endDay
53%14%20%11%2
2340
July1st to 10thDay
52%18%21%7%1
2275
11th to 20thDay
51%16%22%9%
2271
21st to endDay
51%17%21%10%1
2405
August1st to 10thDay
46%19%26%8%1
2314
11th to 20thDay
49%16%26%8%
2111
21st to endDay
55%16%19%8%2
2178
September1st to 10thDay
51%16%19%13%1
1980
11th to 20thDay
52%15%19%11%3
1980
21st to endDay
52%14%15%11%7%2
1980
October1st to 10thDay
43%11%13%17%12%4
1954
11th to 20thDay
36%9%14%21%16%4
1800
21st to endDay
34%7%13%16%20%9%
1980
November1st to 10thDay
32%7%13%20%16%12%
1857
11th to 20thDay
37%7%11%19%18%7%
1900
21st to endDay
34%7%12%21%20%6%
1900
December1st to 10thDay
32%7%14%23%19%5%
1717
11th to 20thDay
34%7%11%19%18%10%
2150
21st to endDay
44%7%13%17%15%3
3124
January1st to 10thNight
39%8%11%22%16%4
4109
11th to 20thNight
53%7%8%18%10%4
4120
21st to endNight
40%7%10%19%18%6%
4368
February1st to 10thNight
34%7%12%20%19%7%
2280
11th to 20thNight
27%6%10%24%25%9%
2150
21st to endNight
26%5%13%21%28%7%
1628
March1st to 10thNight
19%6%13%31%24%8%
1980
11th to 20thNight
24%7%14%29%19%6%
1980
21st to endNight
22%7%13%27%23%7%
2178
April1st to 10thNight
22%8%17%32%15%7%
1980
11th to 20thNight
28%10%16%22%21%4
1926
21st to endNight
26%7%11%28%23%5%
1800
May1st to 10thNight
21%7%14%27%22%9%
1795
11th to 20thNight
31%10%20%25%14%
1593
21st to endNight
34%11%18%19%17%
1745
June1st to 10thNight
48%12%18%18%5%
1620
11th to 20thNight
39%16%25%18%2
1620
21st to endNight
41%17%24%14%4
1620
July1st to 10thNight
45%16%27%11%1
1575
11th to 20thNight
41%19%28%12%1
1566
21st to endNight
40%20%28%12%
1672
August1st to 10thNight
40%19%29%12%
1600
11th to 20thNight
39%21%31%8%1
1763
21st to endNight
48%19%22%10%1
2178
September1st to 10thNight
43%20%23%12%1
1980
11th to 20thNight
46%17%21%14%2
1980
21st to endNight
50%14%17%12%7%
1980
October1st to 10thNight
37%12%19%17%12%3
2003
11th to 20thNight
34%9%15%18%20%3
2160
21st to endNight
31%7%15%17%21%8%
2376
November1st to 10thNight
32%6%14%18%21%9%
2221
11th to 20thNight
34%7%12%22%18%7%
2280
21st to endNight
31%8%11%22%22%6%
2280
December1st to 10thNight
29%8%12%29%18%5%
2458
11th to 20thNight
34%6%10%22%18%11%
3044
21st to endNight
43%9%15%15%14%5%
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
9%7%37%31%17%
270
11th to 20thDay
12%10%30%30%16%3
270
21st to endDay
12%10%41%29%6%1
297
February1st to 10thDay
5%10%29%34%19%3
270
11th to 20thDay
5%429%35%20%7%
255
21st to endDay
45%23%34%31%3
346
March1st to 10thDay
37%32%35%20%3
420
11th to 20thDay
6%5%26%32%27%3
420
21st to endDay
3422%35%31%4
462
April1st to 10thDay
5%7%27%35%22%5%
420
11th to 20thDay
6%5%21%37%24%7%
412
21st to endDay
5%319%34%30%9%
420
May1st to 10thDay
4114%33%32%15%
423
11th to 20thDay
9%314%24%32%19%
447
21st to endDay
8%26%21%30%32%
485
June1st to 10thDay
13%211%21%23%30%
450
11th to 20thDay
6%16%14%30%42%
450
21st to endDay
6%149%25%55%
450
July1st to 10thDay
6%137%23%60%
445
11th to 20thDay
5%213%26%55%
444
21st to endDay
7%1416%22%51%
488
August1st to 10thDay
5%312%24%55%
446
11th to 20thDay
3410%26%55%
439
21st to endDay
8%18%18%25%40%
495
September1st to 10thDay
5%25%13%28%47%
450
11th to 20thDay
6%18%13%28%43%
450
21st to endDay
8%15%18%33%34%
450
October1st to 10thDay
8%212%34%31%13%
450
11th to 20thDay
8%216%30%32%12%
450
21st to endDay
7%417%31%32%9%
495
November1st to 10thDay
8%5%18%30%28%11%
455
11th to 20thDay
12%422%35%21%6%
460
21st to endDay
7%322%37%27%3
460
December1st to 10thDay
8%5%27%34%20%5%
277
11th to 20thDay
8%6%29%33%19%5%
270
21st to endDay
7%7%24%36%22%4
297
January1st to 10thNight
9%5%25%41%18%1
760
11th to 20thNight
10%6%28%42%14%1
760
21st to endNight
11%6%32%40%11%
836
February1st to 10thNight
12%5%28%40%14%
760
11th to 20thNight
6%6%27%45%15%1
722
21st to endNight
7%325%50%14%
592
March1st to 10thNight
4432%45%14%1
720
11th to 20thNight
6%5%26%45%18%
720
21st to endNight
4329%47%16%
792
April1st to 10thNight
5%424%47%19%
720
11th to 20thNight
5%327%47%17%1
711
21st to endNight
7%224%47%19%
720
May1st to 10thNight
4119%45%29%2
715
11th to 20thNight
7%113%44%31%4
531
21st to endNight
7%17%33%44%8%
584
June1st to 10thNight
12%27%27%42%11%
540
11th to 20thNight
7%1314%50%25%
540
21st to endNight
6%5%13%44%32%
540
July1st to 10thNight
8%38%45%37%
525
11th to 20thNight
4128%44%40%
522
21st to endNight
5%129%43%40%
591
August1st to 10thNight
5%149%44%37%
537
11th to 20thNight
6%149%43%38%
623
21st to endNight
12%18%16%36%27%
792
September1st to 10thNight
8%16%16%43%26%
720
11th to 20thNight
10%28%17%43%21%
720
21st to endNight
16%18%20%39%15%
720
October1st to 10thNight
11%111%38%32%7%
720
11th to 20thNight
8%312%36%35%6%
720
21st to endNight
11%217%37%29%5%
792
November1st to 10thNight
10%220%39%26%2
740
11th to 20thNight
7%423%41%23%3
760
21st to endNight
9%222%44%22%
760
December1st to 10thNight
6%422%39%28%1
760
11th to 20thNight
10%421%41%23%2
760
21st to endNight
7%5%25%39%22%1
836
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