Hunt's Lodge Motorcycle Campground
Clear Sky Chart
History

This sumarizes the distribution of each different forecast outcome for the Hunt's Lodge Motorcycle Campground clear sky chart from 2005-11-06 to 2026-09-29.

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 Type	Minimum conditions for hour to be usable				Out of hours
	Clear of Clouds	Transparency	Seeing	Sky Brightness
Planetary:	50%	(no limit)	Average	(no limit)	Nighttime Hours
Deep Sky:	70%	Average	(no limit)	5.9	Nighttime Hours
CCD Imaging:	70%	Below Average	Poor	(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

By Month

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 Forecast	Data Points
Cloud Cover	Day	13% 8% 3 7% 5% 5% 5% 4 6% 8% 37%	148642
	Night	14% 8% 3 7% 4 4 4 4 5% 7% 39%	142773
Transparency	Day	42% 8% 13% 20% 14% 3	152393
	Night	41% 7% 13% 20% 16% 4	147093
Seeing	Day	18% 12% 23% 23% 16% 7%	17345
	Night	18% 10% 22% 28% 19% 3	27317

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
Month	Days in Month		Occurrence of each Forecast	Data Points
January	1st to 10th	Day	17% 14% 4 6% 4 3 4 3 5% 5% 35%	5258
	11th to 20th	Day	11% 10% 7% 8% 3 3 4 3 3 4 43%	5280
	21st to end	Day	19% 13% 4 8% 5% 4 4 3 4 6% 32%	5877
February	1st to 10th	Day	18% 12% 4 8% 5% 4 4 3 4 5% 34%	2100
	11th to 20th	Day	21% 11% 5% 8% 3 4 3 3 4 5% 32%	2048
	21st to end	Day	21% 11% 3 8% 4 3 3 3 4 5% 35%	1730
March	1st to 10th	Day	18% 10% 3 7% 4 4 4 4 5% 6% 34%	4692
	11th to 20th	Day	12% 7% 3 6% 4 3 4 3 5% 6% 47%	5090
	21st to end	Day	15% 8% 2 7% 4 4 4 3 5% 6% 42%	5586
April	1st to 10th	Day	13% 6% 2 5% 5% 5% 5% 5% 7% 7% 40%	2399
	11th to 20th	Day	14% 6% 2 5% 4 3 4 4 5% 8% 45%	2494
	21st to end	Day	14% 7% 2 6% 5% 4 4 4 6% 6% 41%	2717
May	1st to 10th	Day	17% 8% 3 7% 5% 4 5% 4 7% 8% 33%	7616
	11th to 20th	Day	12% 8% 3 9% 6% 6% 6% 5% 7% 8% 31%	7626
	21st to end	Day	15% 9% 4 10% 6% 5% 6% 4 6% 7% 27%	8391
June	1st to 10th	Day	9% 5% 3 7% 5% 6% 6% 5% 8% 10% 36%	2730
	11th to 20th	Day	6% 5% 2 6% 6% 6% 7% 5% 8% 11% 38%	2730
	21st to end	Day	8% 6% 2 6% 6% 6% 6% 5% 8% 12% 36%	2730
July	1st to 10th	Day	5% 5% 2 6% 5% 6% 7% 6% 9% 12% 36%	7680
	11th to 20th	Day	10% 7% 3 8% 6% 7% 7% 6% 8% 10% 27%	7680
	21st to end	Day	12% 8% 3 9% 6% 7% 7% 6% 8% 11% 23%	8340
August	1st to 10th	Day	8% 6% 3 8% 6% 7% 7% 6% 8% 10% 29%	6014
	11th to 20th	Day	7% 4 2 5% 4 5% 6% 5% 8% 13% 42%	5698
	21st to end	Day	6% 4 2 5% 4 4 6% 4 7% 10% 49%	6080
September	1st to 10th	Day	11% 6% 2 7% 6% 5% 5% 4 5% 7% 41%	2336
	11th to 20th	Day	13% 7% 3 7% 5% 5% 4 4 6% 7% 41%	2310
	21st to end	Day	14% 5% 2 6% 4 4 4 4 6% 7% 44%	2288
October	1st to 10th	Day	10% 6% 3 4 3 4 5% 3 5% 6% 52%	2200
	11th to 20th	Day	14% 5% 1 4 3 3 3 3 4 6% 55%	2072
	21st to end	Day	14% 7% 2 4 3 3 3 3 5% 6% 50%	2170
November	1st to 10th	Day	12% 6% 2 5% 3 3 3 3 4 5% 54%	1852
	11th to 20th	Day	12% 7% 3 4 4 3 3 3 6% 7% 48%	1890
	21st to end	Day	15% 9% 3 5% 4 3 4 4 4 6% 42%	1890
December	1st to 10th	Day	16% 10% 2 5% 4 3 4 4 4 5% 42%	3020
	11th to 20th	Day	18% 13% 4 8% 6% 5% 4 3 5% 5% 30%	3463
	21st to end	Day	13% 13% 6% 7% 4 4 4 3 6% 7% 34%	4565
January	1st to 10th	Night	16% 13% 4 8% 3 3 3 3 3 6% 39%	7635
	11th to 20th	Night	18% 9% 3 7% 4 3 3 2 3 4 43%	7680
	21st to end	Night	19% 12% 3 8% 4 3 3 3 4 5% 38%	8300
February	1st to 10th	Night	16% 10% 3 7% 5% 3 3 3 4 6% 39%	2520
	11th to 20th	Night	22% 10% 4 8% 4 4 4 4 3 4 34%	2458
	21st to end	Night	22% 9% 3 8% 4 3 4 3 5% 6% 33%	2076
March	1st to 10th	Night	19% 12% 3 6% 4 4 4 3 4 7% 34%	5366
	11th to 20th	Night	13% 6% 2 4 3 3 4 4 6% 7% 49%	5090
	21st to end	Night	12% 9% 3 7% 4 5% 5% 4 5% 6% 42%	5588
April	1st to 10th	Night	14% 6% 2 5% 3 4 4 4 6% 8% 44%	2237
	11th to 20th	Night	13% 6% 2 5% 4 3 3 3 6% 7% 48%	2075
	21st to end	Night	14% 6% 3 5% 5% 4 4 4 5% 7% 44%	1901
May	1st to 10th	Night	15% 8% 3 8% 5% 4 6% 5% 7% 8% 31%	5237
	11th to 20th	Night	15% 7% 3 8% 5% 5% 5% 4 5% 8% 36%	5234
	21st to end	Night	15% 9% 3 9% 6% 6% 6% 4 6% 8% 28%	5761
June	1st to 10th	Night	8% 6% 2 7% 5% 5% 5% 4 8% 11% 38%	1890
	11th to 20th	Night	6% 4 1 5% 4 4 6% 5% 9% 12% 44%	1890
	21st to end	Night	7% 6% 2 6% 5% 5% 5% 5% 7% 10% 43%	1890
July	1st to 10th	Night	8% 5% 2 7% 5% 6% 6% 5% 9% 12% 35%	5278
	11th to 20th	Night	10% 7% 3 8% 6% 6% 6% 6% 8% 11% 31%	5277
	21st to end	Night	11% 8% 4 8% 6% 7% 7% 6% 8% 11% 24%	5736
August	1st to 10th	Night	8% 6% 3 7% 6% 6% 7% 6% 8% 11% 34%	4135
	11th to 20th	Night	7% 5% 2 5% 3 4 5% 4 6% 11% 47%	4330
	21st to end	Night	5% 4 2 5% 4 3 5% 5% 7% 12% 49%	5046
September	1st to 10th	Night	11% 6% 2 7% 4 5% 5% 4 6% 8% 42%	2262
	11th to 20th	Night	12% 5% 2 6% 5% 4 4 4 6% 7% 44%	2310
	21st to end	Night	11% 6% 2 5% 4 4 4 4 5% 6% 48%	2289
October	1st to 10th	Night	12% 4 2 4 3 3 3 3 4 5% 57%	2200
	11th to 20th	Night	15% 5% 1 4 4 3 3 2 4 5% 54%	2326
	21st to end	Night	14% 6% 2 4 3 3 2 3 4 5% 54%	2665
November	1st to 10th	Night	12% 7% 2 6% 3 3 3 3 4 6% 52%	2666
	11th to 20th	Night	14% 9% 3 5% 3 3 3 3 4 6% 49%	2730
	21st to end	Night	15% 9% 2 5% 4 4 4 3 4 5% 44%	2730
December	1st to 10th	Night	17% 12% 4 7% 4 3 3 3 4 5% 38%	4380
	11th to 20th	Night	18% 12% 4 8% 5% 4 3 3 4 5% 34%	4952
	21st to end	Night	14% 13% 4 8% 4 4 5% 4 5% 6% 33%	6633

Transparency (when cloud cover <= 30%)
Color Meanings: Too cloudy to forecast Poor Below Average Average Above average Transparent
Month	Days in Month		Occurrence of each Forecast	Data Points
January	1st to 10th	Day	49% 5% 10% 20% 15% 1	5259
	11th to 20th	Day	43% 4 8% 12% 28% 5%	5280
	21st to end	Day	53% 4 6% 19% 14% 4	5877
February	1st to 10th	Day	52% 4 8% 18% 15% 3	2100
	11th to 20th	Day	55% 4 7% 17% 15% 3	2058
	21st to end	Day	51% 3 8% 14% 18% 5%	1730
March	1st to 10th	Day	49% 5% 9% 14% 16% 7%	4692
	11th to 20th	Day	38% 4 7% 16% 23% 12%	5090
	21st to end	Day	44% 4 8% 29% 14% 1	5586
April	1st to 10th	Day	40% 6% 12% 23% 16% 3	2399
	11th to 20th	Day	37% 6% 10% 20% 23% 4	2494
	21st to end	Day	42% 5% 11% 25% 14% 2	2717
May	1st to 10th	Day	46% 7% 13% 22% 10% 1	7651
	11th to 20th	Day	47% 9% 13% 21% 9% 1	7630
	21st to end	Day	54% 9% 10% 15% 10% 1	8405
June	1st to 10th	Day	40% 10% 17% 22% 11% 1	2730
	11th to 20th	Day	37% 9% 21% 21% 11% 1	2730
	21st to end	Day	38% 12% 18% 18% 12% 3	2730
July	1st to 10th	Day	35% 14% 23% 19% 8%	7615
	11th to 20th	Day	46% 14% 22% 14% 3 1	7611
	21st to end	Day	51% 11% 18% 15% 6%	8156
August	1st to 10th	Day	43% 14% 17% 20% 5%	6001
	11th to 20th	Day	30% 10% 26% 24% 9% 1	5737
	21st to end	Day	28% 9% 16% 34% 12% 1	6079
September	1st to 10th	Day	40% 8% 13% 18% 17% 4	2336
	11th to 20th	Day	41% 7% 12% 22% 16% 1	2310
	21st to end	Day	38% 6% 13% 20% 18% 5%	2288
October	1st to 10th	Day	25% 5% 9% 19% 31% 12%	3590
	11th to 20th	Day	23% 3 5% 23% 30% 15%	3351
	21st to end	Day	25% 4 8% 29% 25% 9%	3484
November	1st to 10th	Day	32% 4 10% 19% 29% 6%	1852
	11th to 20th	Day	35% 5% 7% 23% 24% 5%	1890
	21st to end	Day	42% 4 8% 21% 21% 4	1890
December	1st to 10th	Day	43% 5% 7% 19% 24% 2	3020
	11th to 20th	Day	54% 6% 9% 15% 14% 2	3460
	21st to end	Day	48% 5% 12% 24% 9% 1	4565
January	1st to 10th	Night	47% 4 13% 21% 14% 1	7636
	11th to 20th	Night	45% 3 6% 16% 24% 6%	7680
	21st to end	Night	51% 4 7% 15% 18% 5%	8300
February	1st to 10th	Night	48% 4 9% 18% 18% 3	2520
	11th to 20th	Night	56% 4 6% 16% 15% 4	2459
	21st to end	Night	52% 5% 8% 15% 15% 4	2076
March	1st to 10th	Night	51% 4 9% 14% 18% 4	5366
	11th to 20th	Night	33% 4 9% 19% 23% 12%	5090
	21st to end	Night	42% 5% 11% 25% 15% 2	5588
April	1st to 10th	Night	37% 6% 14% 22% 19% 3	2237
	11th to 20th	Night	35% 5% 10% 23% 22% 5%	2075
	21st to end	Night	39% 7% 11% 27% 15% 1	1901
May	1st to 10th	Night	47% 9% 14% 21% 8% 1	5264
	11th to 20th	Night	46% 8% 14% 21% 11%	5235
	21st to end	Night	50% 11% 13% 16% 8% 1	5771
June	1st to 10th	Night	36% 11% 18% 22% 12% 1	1890
	11th to 20th	Night	27% 12% 23% 26% 10% 2	1890
	21st to end	Night	35% 9% 18% 23% 12% 4	1890
July	1st to 10th	Night	35% 14% 24% 22% 5%	5235
	11th to 20th	Night	41% 15% 24% 16% 3 1	5226
	21st to end	Night	49% 13% 19% 12% 6% 1	5606
August	1st to 10th	Night	39% 14% 18% 22% 7%	4124
	11th to 20th	Night	29% 9% 27% 24% 11%	4357
	21st to end	Night	26% 9% 17% 35% 12% 1	5046
September	1st to 10th	Night	38% 8% 16% 19% 15% 5%	2262
	11th to 20th	Night	38% 8% 14% 21% 19% 1	2310
	21st to end	Night	35% 8% 11% 21% 20% 5%	2289
October	1st to 10th	Night	25% 5% 9% 20% 27% 13%	3590
	11th to 20th	Night	24% 3 6% 21% 30% 16%	3786
	21st to end	Night	22% 4 4 28% 28% 13%	4301
November	1st to 10th	Night	34% 5% 8% 22% 24% 7%	2666
	11th to 20th	Night	38% 4 6% 20% 24% 8%	2730
	21st to end	Night	42% 4 6% 23% 21% 4	2730
December	1st to 10th	Night	49% 4 7% 16% 22% 2	4380
	11th to 20th	Night	51% 5% 8% 16% 18% 2	4954
	21st to end	Night	49% 5% 13% 19% 12% 1	6633

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
Month	Days in Month		Occurrence of each Forecast	Data Points
January	1st to 10th	Day	31% 24% 31% 11% 3	330
	11th to 20th	Day	27% 31% 27% 11% 3 1	330
	21st to end	Day	26% 30% 33% 8% 3	363
February	1st to 10th	Day	29% 26% 30% 13% 2	330
	11th to 20th	Day	39% 29% 24% 8% 1	330
	21st to end	Day	37% 25% 30% 8%	273
March	1st to 10th	Day	29% 23% 30% 13% 5%	377
	11th to 20th	Day	28% 23% 29% 15% 5% 1	540
	21st to end	Day	26% 20% 34% 15% 6%	594
April	1st to 10th	Day	21% 20% 28% 20% 10% 1	540
	11th to 20th	Day	21% 18% 32% 18% 10% 1	532
	21st to end	Day	22% 14% 29% 22% 12% 2	540
May	1st to 10th	Day	20% 15% 30% 22% 8% 4	543
	11th to 20th	Day	15% 10% 27% 27% 15% 6%	567
	21st to end	Day	15% 11% 22% 25% 17% 10%	617
June	1st to 10th	Day	12% 5% 24% 28% 21% 10%	570
	11th to 20th	Day	8% 6% 17% 29% 26% 14%	570
	21st to end	Day	11% 4 19% 30% 21% 15%	570
July	1st to 10th	Day	9% 5% 12% 27% 27% 19%	565
	11th to 20th	Day	12% 2 11% 30% 26% 19%	564
	21st to end	Day	12% 3 13% 26% 28% 18%	620
August	1st to 10th	Day	14% 4 16% 24% 25% 17%	566
	11th to 20th	Day	11% 3 15% 29% 29% 13%	559
	21st to end	Day	12% 4 14% 25% 29% 17%	627
September	1st to 10th	Day	10% 4 14% 27% 30% 14%	570
	11th to 20th	Day	13% 5% 12% 27% 29% 14%	570
	21st to end	Day	16% 6% 15% 33% 24% 6%	562
October	1st to 10th	Day	11% 6% 22% 32% 22% 8%	530
	11th to 20th	Day	15% 11% 25% 28% 18% 3	530
	21st to end	Day	21% 8% 27% 27% 14% 2	553
November	1st to 10th	Day	20% 13% 29% 26% 10% 2	330
	11th to 20th	Day	18% 18% 34% 24% 5%	330
	21st to end	Day	19% 17% 37% 19% 7% 1	330
December	1st to 10th	Day	33% 18% 31% 15% 2 1	330
	11th to 20th	Day	28% 17% 32% 18% 5% 1	330
	21st to end	Day	24% 26% 29% 15% 5%	363
January	1st to 10th	Night	27% 18% 29% 22% 4	840
	11th to 20th	Night	27% 19% 30% 19% 5%	840
	21st to end	Night	23% 19% 30% 26% 2	924
February	1st to 10th	Night	23% 14% 33% 26% 4	840
	11th to 20th	Night	30% 19% 32% 17% 1	823
	21st to end	Night	31% 20% 29% 18% 2	692
March	1st to 10th	Night	23% 18% 33% 23% 3	840
	11th to 20th	Night	23% 15% 32% 22% 7% 1	840
	21st to end	Night	21% 15% 32% 23% 8%	924
April	1st to 10th	Night	17% 16% 29% 29% 8% 1	767
	11th to 20th	Night	17% 12% 34% 25% 11% 1	623
	21st to end	Night	16% 9% 29% 34% 11% 1	630
May	1st to 10th	Night	13% 10% 28% 32% 16% 2	630
	11th to 20th	Night	16% 6% 21% 33% 21% 3	621
	21st to end	Night	11% 4 16% 34% 28% 6%	683
June	1st to 10th	Night	9% 3 14% 38% 31% 5%	630
	11th to 20th	Night	7% 3 14% 34% 32% 10%	630
	21st to end	Night	7% 3 12% 31% 38% 8%	630
July	1st to 10th	Night	10% 2 6% 29% 44% 9%	615
	11th to 20th	Night	11% 2 7% 26% 43% 10%	612
	21st to end	Night	11% 2 8% 28% 40% 11%	690
August	1st to 10th	Night	10% 2 7% 28% 43% 10%	627
	11th to 20th	Night	10% 3 8% 31% 41% 7%	624
	21st to end	Night	11% 2 8% 29% 40% 10%	693
September	1st to 10th	Night	12% 4 8% 27% 42% 7%	792
	11th to 20th	Night	14% 3 8% 32% 36% 6%	840
	21st to end	Night	14% 5% 14% 35% 31% 2	833
October	1st to 10th	Night	13% 6% 19% 27% 29% 6%	800
	11th to 20th	Night	17% 7% 23% 32% 19% 2	800
	21st to end	Night	16% 9% 23% 34% 15% 2	880
November	1st to 10th	Night	15% 10% 18% 36% 19% 3	820
	11th to 20th	Night	17% 14% 28% 29% 11% 1	840
	21st to end	Night	22% 11% 26% 29% 12%	840
December	1st to 10th	Night	25% 17% 25% 26% 6%	840
	11th to 20th	Night	24% 12% 28% 28% 8%	840
	21st to end	Night	24% 16% 26% 29% 5%	924

Page generated at 2026-09-26 04:18:44. Version ac07

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