| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 2.23 | -0.03 |
| Feb | 1.84 | 1.74 | 0.10 |
| Mar | 2.12 | 2.10 | 0.02 |
| Apr | 3.31 | 3.33 | -0.02 |
| May | 3.81 | 3.86 | -0.05 |
| Jun | 3.79 | 3.70 | 0.09 |
| Jul | 3.27 | 3.24 | 0.03 |
| Aug | 3.52 | 3.42 | 0.10 |
| Sep | 2.88 | 2.93 | -0.05 |
| Oct | 3.35 | 3.17 | 0.18 |
| Nov | 2.53 | 2.53 | 0.00 |
| Dec | 1.99 | 1.95 | 0.04 |
34.61 | 34.20 | 0.41 |