Archived Clear Sky Chart Images
for Northern Prairie Star Party, (AB)

A Sponsored Feature

Each day lists the local time, hh:mm in 24h time, that is the starting hour of a past clear sky chart. Each clear sky chart forecasts a few days into the future. There are at least two clear sky chart updates per day. So there are multiple overlapping forecasts for each day.

February
Mon	Tue	Wed	Thu	Fri	Sat	Sun
9 10:00 21:00	10 10:00 22:00 +2 charts from previous days	11 10:00 22:00 +4 charts from previous days	12 10:00 22:00 +6 charts from previous days	13 10:00 +8 charts from previous days	14 02:00 10:00 22:00 +9 charts from previous days	15 14:00 +12 charts from previous days
16 04:00 14:00 22:00 +13 charts from previous days	17 10:00 21:00 +15 charts from previous days	18 10:00 21:00 +15 charts from previous days	19 10:00 22:00 +15 charts from previous days	20 14:00 22:00 +15 charts from previous days	21 14:00 22:00 +15 charts from previous days	22 14:00 +15 charts from previous days
23 02:00 14:00 22:00 +14 charts from previous days	24 14:00 +15 charts from previous days	25 02:00 10:00 21:00 +14 charts from previous days	26 10:00 22:00 +15 charts from previous days	27 10:00 +15 charts from previous days	28 02:00 10:00 +14 charts from previous days
March
Mon	Tue	Wed	Thu	Fri	Sat	Sun
						1 02:00 14:00 22:00 +14 charts from previous days
2 14:00 +15 charts from previous days	3 02:00 +14 charts from previous days	4 02:00 10:00 +13 charts from previous days	5 02:00 10:00 +13 charts from previous days	6 02:00 10:00 22:00 +13 charts from previous days	7 10:00 22:00 +14 charts from previous days	8 02:00 11:00 +14 charts from previous days
9 07:00 11:00 +14 charts from previous days	10 03:00 11:00 +14 charts from previous days	11 03:00 +15 charts from previous days

Instead of the last few past clear sky chart images, some people prefer long-term averages of forecasts. See the Forecast History/Climate page.