| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.98 | -0.08 |
| Feb | 1.42 | 1.52 | -0.10 |
| Mar | 2.32 | 2.38 | -0.06 |
| Apr | 3.70 | 3.78 | -0.08 |
| May | 5.35 | 5.54 | -0.19 |
| Jun | 5.09 | 5.14 | -0.05 |
| Jul | 4.12 | 4.08 | 0.04 |
| Aug | 4.11 | 4.21 | -0.10 |
| Sep | 3.64 | 3.77 | -0.13 |
| Oct | 2.84 | 3.11 | -0.27 |
| Nov | 2.06 | 2.10 | -0.04 |
| Dec | 1.51 | 1.53 | -0.02 |
37.06 | 38.14 | -1.08 |