| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.45 | 1.50 | -0.05 |
| Feb | 1.52 | 1.57 | -0.05 |
| Mar | 2.18 | 2.17 | 0.01 |
| Apr | 3.78 | 3.90 | -0.12 |
| May | 4.22 | 4.40 | -0.18 |
| Jun | 5.57 | 5.46 | 0.11 |
| Jul | 4.52 | 4.43 | 0.09 |
| Aug | 4.14 | 4.25 | -0.11 |
| Sep | 3.61 | 3.55 | 0.06 |
| Oct | 2.92 | 2.90 | 0.02 |
| Nov | 2.29 | 2.27 | 0.02 |
| Dec | 1.66 | 1.75 | -0.09 |
37.86 | 38.15 | -0.29 |