| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.30 | 2.36 | -0.06 |
| Feb | 1.95 | 2.07 | -0.12 |
| Mar | 2.78 | 2.75 | 0.03 |
| Apr | 4.03 | 4.05 | -0.02 |
| May | 4.39 | 4.50 | -0.11 |
| Jun | 4.70 | 4.75 | -0.05 |
| Jul | 4.23 | 4.33 | -0.10 |
| Aug | 3.48 | 3.47 | 0.01 |
| Sep | 3.09 | 3.18 | -0.09 |
| Oct | 3.29 | 3.32 | -0.03 |
| Nov | 3.13 | 3.14 | -0.01 |
| Dec | 2.35 | 2.40 | -0.05 |
39.72 | 40.32 | -0.60 |