| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.08 | 0.01 |
| Feb | 2.77 | 2.78 | -0.01 |
| Mar | 3.64 | 3.62 | 0.02 |
| Apr | 3.78 | 3.84 | -0.06 |
| May | 4.47 | 4.66 | -0.19 |
| Jun | 4.11 | 4.36 | -0.25 |
| Jul | 4.17 | 4.18 | -0.01 |
| Aug | 3.52 | 3.40 | 0.12 |
| Sep | 3.76 | 3.60 | 0.16 |
| Oct | 2.97 | 2.95 | 0.02 |
| Nov | 2.94 | 2.86 | 0.08 |
| Dec | 3.27 | 3.32 | -0.05 |
42.49 | 42.65 | -0.16 |