| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.92 | 0.84 | 0.08 |
| Feb | 1.46 | 1.42 | 0.04 |
| Mar | 2.48 | 2.45 | 0.03 |
| Apr | 3.71 | 3.64 | 0.07 |
| May | 5.68 | 5.51 | 0.17 |
| Jun | 5.21 | 5.42 | -0.21 |
| Jul | 4.34 | 4.18 | 0.16 |
| Aug | 3.88 | 3.99 | -0.11 |
| Sep | 3.87 | 3.88 | -0.01 |
| Oct | 3.30 | 3.09 | 0.21 |
| Nov | 2.13 | 2.08 | 0.05 |
| Dec | 1.51 | 1.42 | 0.09 |
38.49 | 37.92 | 0.57 |