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Historical Climate Data: Precipitation



Period of Record: 2000-Present

Annual/seasonal values may differ from the sum of the monthly values due to rounding.

Precipitation Summary (in.)

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Winter
Dec-Feb 		Spring
Mar-May 		Summer
Jun-Aug 		Autumn
Sep-Nov
                                   
2000 - - - - - - 1.75 2.92 4.75 0.16 7.69 4.61 - - - - 12.60
2001 4.39 8.82 2.86 2.81 6.33 3.29 5.28 4.83 2.91 6.39 6.28 5.21 59.40 17.82 12.00 13.40 15.58
2002 7.35 2.07 9.30 2.31 2.97 2.72 4.00 2.75 7.51 6.42 4.54 5.85 57.79 14.63 14.58 9.47 18.47
2003 1.86 12.13 2.58 3.56 9.26 8.07 4.86 2.69 9.84 1.82 6.02 3.53 66.22 19.84 15.40 15.62 17.68
2004 3.42 7.36 6.01 2.92 5.61 5.83 2.43 4.49 4.94 6.76 8.98 7.23 65.57 14.31 14.54 12.75 20.68
                                   
2005 5.27 4.71 5.27 5.65 0.66 5.95 5.15 4.86 2.14 0.12 3.16 2.98 45.92 17.21 11.58 15.96 5.42
2006 7.41 3.47 4.92 7.00 5.40 1.98 3.90 4.85 1.98 3.48 4.38 4.24 53.01 13.86 17.32 10.73 9.84
2007 3.86 2.32 2.83 3.41 1.11 2.89 4.20 2.07 3.53 5.60 3.42 5.10 40.34 10.42 7.35 9.16 12.55
2008 4.49 3.08 4.83 5.76 5.55 2.62 5.56 2.26 1.08 6.36 2.26 7.34 51.19 12.67 16.14 10.44 9.70
2009 3.87 2.16 5.07 4.53 10.64 2.10 6.04 2.46 7.79 7.71 1.06 4.76 58.19 13.37 20.24 10.60 16.56
                                   
2010 5.16                                
                                   
Average 4.71 5.12 4.85 4.22 5.28 3.94 4.32 3.42 4.65 4.48 4.78 5.09 54.85 14.92 14.35 11.67 13.91


Precipitation Extremes

Month High (in) Year Low (in) Year 1-Day Max (in) Date
Jan 7.41 2006 1.86 2003 2.00 01-22-2006
Feb 12.13 2003 2.07 2002 4.83 02-05-2004
Mar 9.30 2002 2.58 2003 2.71 03-17-2002
Apr 7.00 2006 2.31 2002 2.38 04-21-2006
May 10.64 2009 0.66 2005 4.67 05-01-2009
Jun 8.07 2003 1.98 2006 3.61 06-06-2003
Jul 6.04 2009 1.75 2000 2.29 07-09-2008
Aug 4.86 2005 2.07 2007 1.94 08-28-2006
Sep 9.84 2003 1.08 2008 4.41 09-22-2003
Oct 7.71 2009 0.12 2005 3.31 10-08-2008
Nov 8.98 2004 1.06 2009 4.02 11-29-2001
Dec 7.34 2008 2.98 2005 2.55 12-16-2000
       
Year 66.22 2003 40.34 2007 4.83 02-05-2004
Winter 19.84 2002-03 10.42 2006-07 4.83 02-05-2004
Spring 20.24 2009 7.35 2007 4.67 05-01-2009
Summer 15.96 2005 9.16 2007 3.61 06-06-2003
Autumn 20.68 2004 5.42 2005 4.41 09-22-2003

Precipitation Threshold Climatology

Month Average
Number of Days
With ≥ 0.01"		 Average
Number of Days
With ≥ 0.10"		 Average
Number of Days
With ≥ 0.50"		 Average
Number of Days
With ≥ 1.00"
Jan 11 7 4 1
Feb 11 7 3 1
Mar 10 7 4 1
Apr 11 8 3 1
May 11 8 4 1
Jun 10 7 3 1
Jul 11 7 3 1
Aug 9 6 3 1
Sep 8 6 3 2
Oct 9 6 3 2
Nov 9 6 3 2
Dec 11 8 4 1
       
Year 121 84 40 15
Winter 32 22 11 4
Spring 31 23 10 4
Summer 31 21 9 3
Autumn 25 17 9 4



Snowfall Summary (in.)

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Winter
Dec-Feb 		Spring
Mar-May 		Summer
Jun-Aug 		Autumn
Sep-Nov
                                   
2000 - - - - - - 0.0 0.0 0.0 0.0 0.0 2.6 - - - - 0.0
2001 2.8 T T 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.8 0.0 0.0 0.0 0.0
2002 T 1.1 T 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 T 1.1 1.1 T 0.0 0.0
2003 4.8 5.1 T T 0.0 0.0 0.0 0.0 0.0 0.0 T 0.1 10.0 T 0.0 0.0 T
2004 0.1 4.4 0.0 T 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 4.6 4.6 T 0.0 0.0
                                   
2005 T T 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 T 0.3 0.1 0.3 0.0 0.0
2006 0.5 2.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 T 0.0 T 2.7 2.7 0.0 0.0 T
2007 T 1.8 0.0 T 0.0 0.0 0.0 0.0 0.0 0.0 0.0 T 1.8 0.0 0.0 0.0 0.0
2008 1.2 0.4 3.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 T 1.0 1.8 1.8 T 0.0 0.0
2009 T 0.2 0.6 T 0.0 0.0 0.0 0.0 0.0 0.0 0.0 T 0.8 0.8 T 0.0 0.0
                                   
2010 2.8                                
                                   
Average 2.0 2.2 0.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 5.8 5.0 0.8 0.0 0.0


Snowfall Extremes

Month High (in) Year 1-Day Max (in) Date
Jan 4.8 2003 4.1 01-16-2003
Feb 5.1 2003 3.8 02-15-2003
Mar 3.6 2008 1.9 03-08-2008
Apr T 2009+ T 04-21-2006+
May 0.0 - - -
Jun 0.0 - - -
Jul 0.0 - - -
Aug 0.0 - - -
Sep 0.0 - - -
Oct T 2006 T 10-12-2006
Nov T 2003 T 11-20-2008
Dec 2.6 2000 1.2 12-29-2000
       
Season (Jul-Jun) 9.9 2002-2003 4.1 01-16-2003


Snowfall Threshold Climatology

Month Average
Number of Days
With ≥ 0.1"		 Average
Number of Days
With ≥ 1.0"
Jan 1 1
Feb 2 1
Mar 1 *
Apr 0 0
May 0 0
Jun 0 0
Jul 0 0
Aug 0 0
Sep 0 0
Oct 0 0
Nov 0 0
Dec 1 *
     
Year 5 2
Winter 4 2
Spring 1 *
Summer 0 0
Autumn 0 0


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