Monthly Pan Evaporation for De Kalb, IL (site 11-2223)
(use the tabs at the bottom to change location)
Year April May June July August September October
1987 M M M M M 7.66 M
1988 M M M 9.90 8.31 5.12 M
1989        
1990 M 5.88 7.92 8.36 7.02 4.56 M
1991        
1992        
1993        
1994        
1995        
1996        
1997 M 5.04 6.81 6.91 4.51 3.51 2.95
1998 3.14 5.57 5.78 7.07 4.94 3.89 2.42
1999 3.85 5.72 6.09 7.53 4.95 4.72 3.06
2000 3.92 4.80 5.82 7.29 M 4.69 3.32
2001 4.73 6.04 6.01 7.43 6.20 3.94 2.43
2002 6.14 5.20 6.36 8.04 5.94 4.08 2.36
2003 M 5.18 6.60 7.18 7.18 3.82 M
2004 5.04 4.96 5.84 5.94 4.18 3.36 1.61
2005 3.43 5.28 7.47 7.45 6.68 4.49 2.45
2006 5.14 6.35 6.60 6.63 5.40 3.89 3.39
2007 M 8.37 6.17 7.40 5.68 4.69 4.80
2008 3.73 5.43 6.60 7.15 5.23 3.04 M
2009 3.77 5.99 6.03 4.77 4.98 3.83 1.79
2010 5.50 7.06 6.56 7.75 5.36 4.38 M
2011 4.00 5.87 7.75 7.85 6.20 3.57 M
2012 5.25 7.39 9.32 7.89 6.22 6.09 M
2013 M 6.18 6.64 7.33 6.24 3.97 M
2014 M 5.64 6.69 6.61 5.02 3.77 2.62
       
Average 4.43 5.89 6.69 7.32 5.80 4.34 2.78
State Climatologist Office for Illinois
Illinois State Water Survey
Prairie Research Institute
University of Illinois Urbana-Champaign
"M" indicates that the data are missing. Pan evaporation is typically only measured during the warmer months of the year.