Precipitation values are in inches. A water year begins October 1st and ends September 30th.
For seasonal records, Winter = December, January, February. Spring = March, April, May. Summer = June, July, August. Fall = September, October, November.
| Record | Value | Date(s) record occurred (yyyymmdd) |
| 1-day total precipitation | 2.88 | 19750520 |
| 7-day total precipitation | 3.55 | 19461022 - 19461028 |
| 30-day total precipitation | 6.13 | 19461026 - 19461124 |
| Calendar month total precipitation | 5.20 | 194610 |
| Calendar year total precipitation | 20.80 | 1998 |
| Calendar year low total precipitation | 6.59 | 1934 |
| Water year total precipitation | 23.25 | 19941001 - 19950930 |
| Water year low total precipitation | 5.01 | 19331001 - 19340930 |
| Consecutive days with less than 0.01" of precipitation | 69 | 19740726 - 19741002 |
| Consecutive days with at least 0.01" of precipitation | 11 | 19780206 - 19780216 |
| 1-day total snowfall | 19.0 | 19750520 |
| 7-day total snowfall | 29.5 | 19671214 - 19671220 |
| 30-day total snowfall | 50.3 | 19481225 - 19490123 |
| Calendar month total snowfall | 39.3 | 194901 |
| Calendar two-month total snowfall | 75.9 | 19481201 - 19490131 |
| Calendar year total snowfall | 100.5 | 1988 |
| Calendar year low total snowfall | 11.0 | 1943 |
| Water year total snowfall | 95.9 | 19481001 - 19490930 |
| Water year low total snowfall | 12.5 | 19251001 - 19260930 |
| January 1-day total precipitation | 1.16 | 19540125 |
| February 1-day total precipitation | 1.10 | 19590212 |
| March 1-day total precipitation | 1.28 | 19380321 |
| April 1-day total precipitation | 1.95 | 19530428 |
| May 1-day total precipitation | 2.88 | 19750520 |
| June 1-day total precipitation | 1.61 | 19990603 |
| July 1-day total precipitation | 2.27 | 19290727 |
| August 1-day total precipitation | 1.35 | 19470810 |
| September 1-day total precipitation | 1.61 | 19650905 |
| October 1-day total precipitation | 2.00 | 19461027 |
| November 1-day total precipitation | 1.39 | 19961122 |
| December 1-day total precipitation | 1.37 | 19661206 |
| Wettest Winter | 7.08 | 1992 - 1993 |
| Driest Winter | 0.87 | 1960 - 1961 |
| Wettest Spring | 10.17 | 1995 |
| Driest Spring | 0.38 | 1934 |
| Wettest Summer | 8.34 | 1936 |
| Driest Summer | 0.14 | 2002 |
| Wettest Fall | 8.25 | 1982 |
| Driest fall | 0.26 | 1935 |