Challis, ID.												Ambient Temperature


Challis, ID.			Hourly Average Ambient Temperature									 For 2009 to 2010

Latitude:  degrees						Longitude:  degrees						Altitude:  meters

Mon\Hr	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	    Avg

Jan	  -6.0	  -6.3	  -6.6	  -6.9	  -7.1	  -7.3	  -7.5	  -7.9	  -8.0	  -6.7	  -5.3	  -4.4	  -3.8	  -3.0	  -2.3	  -1.9	  -2.3	  -3.5	  -4.3	  -4.8	  -5.0	  -5.3	  -5.6	  -5.9	   -5.3		
Feb	  -5.2	  -5.5	  -5.7	  -5.9	  -6.1	  -6.5	  -6.8	  -7.2	  -6.3	  -4.9	  -3.8	  -2.7	  -1.5	  -0.4	   0.3	   0.9	   1.1	  -0.1	  -1.7	  -2.5	  -2.9	  -3.5	  -4.1	  -4.6	   -3.6		
Mar	  -0.3	  -1.2	  -1.9	  -2.4	  -3.1	  -3.5	  -3.9	  -3.2	  -1.0	   0.5	   2.1	   3.5	   4.9	   6.3	   7.1	   7.5	   7.4	   6.7	   5.2	   3.5	   2.5	   1.8	   1.1	   0.2	    1.7		
Apr	   2.5	   1.7	   1.1	   0.6	   0.1	  -0.5	  -0.3	   1.8	   3.4	   5.0	   6.5	   8.2	   9.3	  10.2	  10.7	  10.8	  10.6	   9.7	   8.7	   7.2	   5.9	   4.8	   4.0	   3.5	    5.2		
May	   4.2	   3.6	   3.2	   2.6	   2.1	   1.8	   3.2	   4.6	   5.8	   7.2	   8.7	   9.8	  10.6	  10.7	  11.2	  11.3	  11.3	  11.0	  10.1	   8.8	   7.5	   6.5	   5.7	   5.0	    6.9		
Jun	  11.1	  10.4	   9.7	   9.1	   8.7	   8.6	  10.2	  11.3	  12.6	  14.1	  15.6	  16.8	  17.8	  18.7	  19.3	  19.6	  19.3	  18.8	  18.3	  17.1	  15.2	  13.7	  12.8	  12.0	   14.2		
Jul	  15.4	  14.3	  13.3	  12.2	  11.4	  11.0	  13.4	  15.9	  17.5	  19.7	  21.8	  23.8	  25.4	  26.4	  27.1	  27.4	  27.1	  26.8	  25.9	  24.3	  21.7	  19.7	  18.0	  16.6	   19.8		
Aug	  14.5	  13.6	  12.6	  11.8	  11.1	  10.3	  11.2	  13.9	  15.5	  17.4	  19.5	  21.5	  23.5	  24.6	  25.3	  25.3	  25.2	  24.6	  23.7	  21.8	  19.7	  18.1	  16.8	  15.5	   18.2		
Sep	  11.9	  10.8	   9.9	   9.1	   8.4	   7.8	   7.4	   9.7	  12.4	  14.2	  16.3	  18.4	  20.4	  22.2	  23.3	  23.8	  23.5	  22.8	  20.5	  18.0	  16.3	  15.0	  13.9	  12.8	   15.4		
Oct	   3.9	   3.4	   3.0	   2.4	   2.0	   1.8	   1.4	   1.7	   4.0	   5.5	   7.0	   8.5	  10.0	  11.2	  12.0	  12.3	  12.1	  10.7	   8.7	   7.5	   6.5	   5.7	   4.9	   4.3	    6.3		
Nov	  -2.3	  -2.8	  -3.1	  -3.4	  -3.7	  -3.9	  -4.3	  -4.5	  -3.5	  -1.7	  -0.4	   0.7	   1.8	   2.8	   3.4	   3.4	   2.6	   0.9	  -0.0	  -0.6	  -1.0	  -1.4	  -1.8	  -2.2	   -1.0		
Dec	  -8.8	  -9.0	  -9.2	  -9.3	  -9.4	  -9.6	 -10.0	 -10.2	 -10.3	  -8.9	  -7.5	  -6.5	  -5.4	  -4.5	  -4.1	  -4.2	  -5.2	  -6.7	  -7.4	  -7.8	  -8.1	  -8.4	  -8.7	  -8.7	   -7.8		

Values in Degrees Celsius

Challis, ID.			Daily Average Ambient Temperature									 For 2009 to 2010

Latitude:  degrees						Longitude:  degrees						Altitude:  meters

Year\Mth 	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Yearly
2009	----	----	----	----	----	----	  20.1	  18.7	  16.5	   4.3	  -0.9	  -9.1	----	
2010	  -5.3	  -3.6	   1.7	   5.2	   6.9	  14.2	  19.6	  17.7	  14.2	   8.3	  -1.1	  -6.5	     6.0	

Average	  -5.3	  -3.6	   1.7	   5.2	   6.9	  14.2	  19.9	  18.2	  15.4	   6.3	  -1.0	  -7.8	     5.9	
% SD	----	----	----	----	----	----	     2	     4	    11	    45	    14	    24	

Values in average daily Degrees Celsius
* Less than 15 days of data in month.							Univ. of Oregon Solar Radiation Monitoring Lab.