Rainfall amount at Whiting Street Reservoir as measured in inches.
| rain | 1916 | 1917 | 1924 | 1934 | 1944 | 1947 | 1957 | 1958 | |
| Jan | 1.65 | 3.42 | 4.41 | 4.03 | 1.77 | 3.48 | 1.61 | 3.30 | |
| Feb | 4.56 | 2.77 | 2.18 | 3.51 | 2.34 | 2.95 | 1.30 | 2.21 | |
| Mar | 2.53 | 3.88 | 0.89 | 2.52 | 4.91 | 2.59 | 1.67 | 2.96 | |
| Apr | 3.15 | 1.75 | 5.90 | 6.38 | 4.34 | 4.90 | 3.34 | 6.11 | |
| May | 2.88 | 4.17 | 3.66 | 4.50 | 0.81 | 5.18 | 1.93 | 2.06 | |
| June | 7.01 | 4.21 | 1.95 | 6.32 | 4.72 | 3.31 | 3.11 | 2.05 | |
| July | 5.16 | 2.93 | 1.49 | 1.92 | 2.93 | 4.57 | 2.92 | 6.10 | |
| Aug | 2.46 | 5.30 | 3.54 | 4.08 | 2.23 | 2.67 | 2.46 | 2.73 | |
| Sep | 5.93 | 0.64 | 5.58 | 11.72 | 4.89 | 4.30 | 2.48 | 5.61 | |
| Oct | 1.00 | 6.68 | 0.46 | 2.70 | 2.01 | 2.57 | 2.72 | 3.71 | |
| Nov | 3.41 | 0.74 | 3.45 | 3.58 | 4.70 | 6.20 | 3.80 | 3.10 | |
| Dec | 2.99 | 2.74 | 2.23 | 4.70 | 3.27 | 2.75 | 7.97 | 1.45 | |
| totals | 35.31 | 41.39 |