Front Range
Rockies
West Slope
Observations by
Synoptic Data
9-13
19-20
2-4
4-7
16-23
1-3
5-14
5-11*
2-4
3-3
36-54
6-6
0-1
?-?
2-2
21-28
4-10
22-45*
7-9
10-14