| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 18.42 | 19.97 | -1.55 |
| Feb | 12.37 | 12.38 | -0.01 |
| Mar | 14.19 | 14.11 | 0.08 |
| Apr | 9.96 | 9.66 | 0.30 |
| May | 5.53 | 5.30 | 0.23 |
| Jun | 4.04 | 3.88 | 0.16 |
| Jul | 1.87 | 1.94 | -0.07 |
| Aug | 2.61 | 2.77 | -0.16 |
| Sep | 5.67 | 5.01 | 0.66 |
| Oct | 11.51 | 12.44 | -0.93 |
| Nov | 18.76 | 20.90 | -2.14 |
| Dec | 19.61 | 19.58 | 0.03 |
124.54 | 127.94 | -3.40 |