| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.71 | 0.03 |
| Feb | 2.08 | 2.13 | -0.05 |
| Mar | 3.12 | 2.97 | 0.15 |
| Apr | 4.09 | 4.12 | -0.03 |
| May | 5.46 | 5.13 | 0.33 |
| Jun | 4.71 | 4.85 | -0.14 |
| Jul | 3.71 | 3.74 | -0.03 |
| Aug | 3.25 | 3.10 | 0.15 |
| Sep | 4.38 | 4.18 | 0.20 |
| Oct | 3.77 | 3.78 | -0.01 |
| Nov | 2.63 | 2.85 | -0.22 |
| Dec | 2.46 | 2.45 | 0.01 |
41.40 | 41.01 | 0.39 |