| ST. PAUL CAMPUS CLIMATOLOGICAL OBSERVATORY 21-8450-6 | |||||||||
| MONTHLY PAN EVAPORATION, INCHES | |||||||||
| Year | APRIL | MAY | JUNE | JULY | AUG. | SEPT. | OCT. | TOTAL | |
| 21-30 | 1-10 | ||||||||
| 1972 | * | 1.86 | 6.08 | 8.03 | 6.76 | 5.62 | 4.08 | 0.92 | 33.35 |
| 1973 | 1.75 | 5.82 | 8.45 | 8.73 | 7.64 | 4.33 | 0.89 | 37.61 | |
| 1974 | 2.03 | 5.54 | 7.46 | 9.46 | 6.49 | 4.62 | 1.29 | 36.89 | |
| 1975 | 0.70 | 7.02 | 6.34 | 9.41 | 6.58 | 4.29 | 2.08 | 36.42 | |
| 1976 | * | 1.86 | 8.40 | 11.08 | 10.96 | 10.54 | 6.62 | 1.61 | 51.07 |
| 1977 | 2.94 | 9.42 | 8.48 | 9.20 | 6.65 | 4.06 | 0.96 | 41.71 | |
| 1978 | 1.61 | 8.00 | 7.21 | 6.87 | 8.30 | 6.02 | 1.21 | 39.22 | |
| 1979 | 1.30 | 6.32 | 8.53 | 7.82 | 5.23 | 5.33 | 1.18 | 35.71 | |
| 1980 | 2.88 | 7.62 | 7.75 | 8.83 | 6.55 | 4.51 | 1.47 | 39.61 | |
| 1981 | 1.14 | 6.45 | 6.61 | 7.72 | 5.83 | 4.97 | 0.84 | 33.56 | |
| 1982 | 2.77 | 6.29 | 7.49 | 8.52 | 7.81 | 4.21 | 0.85 | 37.94 | |
| 1983 | * | 1.86 | 6.53 | 7.05 | 8.47 | 7.23 | 4.52 | 1.23 | 36.89 |
| 1984 | 2.37 | 7.13 | 6.88 | 8.88 | 7.26 | 5.24 | 1.03 | 38.79 | |
| 1985 | 1.98 | 7.79 | 7.89 | 9.07 | 5.95 | 4.39 | 0.95 | 38.02 | |
| 1986 | 1.65 | 7.21 | 8.34 | 7.97 | 6.71 | 3.88 | 1.20 | 36.96 | |
| 1987 | 2.88 | 8.33 | 10.96 | 8.62 | 7.01 | 5.36 | 1.74 | 44.90 | |
| 1988 | 1.77 | 10.38 | 11.83 | 11.73 | 8.96 | 5.20 | 1.54 | 51.41 | |
| 1989 | 1.74 | 6.47 | 7.80 | 8.93 | 7.26 | 5.90 | 1.57 | 39.67 | |
| 1990 | 1.96 | 6.27 | 7.24 | 7.65 | 6.63 | 5.45 | 1.71 | 36.91 | |
| 1991 | 2.09 | 5.24 | 7.90 | 7.44 | 6.31 | 4.04 | 1.08 | 34.10 | |
| 1992 | 1.32 | 8.83 | 6.89 | 5.80 | 6.69 | 4.80 | 1.30 | 35.63 | |
| 1993 | 2.01 | 5.44 | 6.46 | 6.94 | 6.38 | 4.10 | 1.58 | 32.91 | |
| 1994 | 1.32 | 8.67 | 7.36 | 7.02 | 6.58 | 3.94 | 1.18 | 36.07 | |
| 1995 | 1.45 | 6.16 | 7.24 | 7.98 | 5.80 | 4.66 | 0.84 | 34.13 | |
| 1996 | 1.75 | 5.95 | 6.53 | 7.53 | 7.71 | 4.60 | 1.47 | 35.54 | |
| 1997 | 1.99 | 5.91 | 7.42 | 5.43 | 4.97 | 4.34 | 1.51 | 31.57 | |
| 1998 | 2.22 | 7.50 | 5.57 | 7.32 | 5.79 | 5.13 | 0.72 | 34.25 | |
| 1999 | 1.95 | 6.15 | 6.26 | 7.92 | 5.57 | 4.71 | 1.01 | 33.57 | |
| 2000 | 2.20 | 5.81 | 6.15 | 6.89 | 6.17 | 4.84 | 1.38 | 33.44 | |
| 2001 | 2.03 | 5.29 | 6.93 | 8.03 | 6.28 | 3.83 | 1.20 | 33.59 | |
| 2002 | 1.11 | 6.25 | 7.25 | 6.69 | 6.09 | 4.47 | 0.71 | 32.57 | |
| 2003 | 2.09 | 5.93 | 6.23 | 6.88 | 6.84 | 5.25 | 1.39 | 34.61 | |
| 2004 | 1.91 | 5.41 | 6.30 | 6.63 | 5.14 | 4.91 | 1.27 | 31.57 | |
| 2005 | 1.20 | 4.35 | 6.96 | 8.82 | 6.49 | 4.81 | 1.20 | 33.83 | |
| 2006 | 1.21 | 5.98 | 7.91 | 9.16 | 5.72 | 3.29 | 1.41 | 34.68 | |
| 2007 | 2.19 | 6.86 | 8.81 | 8.70 | 6.12 | 5.38 | 1.37 | 39.43 | |
| 1972-2007 DATA SUMMARY | |||||||||
| AVG | 1.86 | 6.74 | 7.60 | 8.08 | 6.64 | 4.72 | 1.25 | 36.89 | |
| MAX | 2.94 | 10.38 | 11.83 | 11.73 | 10.54 | 6.62 | 2.08 | 51.41 | |
| 2nd | 2.88 | 9.42 | 11.08 | 10.96 | 8.96 | 6.02 | 1.74 | 51.07 | |
| MIN | 0.70 | 4.35 | 5.57 | 5.43 | 4.97 | 3.29 | 0.71 | 31.57 | |
| 2nd | 1.11 | 5.24 | 6.15 | 5.80 | 5.14 | 3.83 | 0.72 | 31.57 | |
| STD | 0.52 | 1.31 | 1.37 | 1.30 | 1.09 | 0.68 | 0.31 | 4.56 | |
| * | = TOO FEW DAYS FOR THESE APRILS, AVERAGE SUBSTITUTED | ||||||||