| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.91 | 2.11 | -0.20 |
| Feb | 1.82 | 2.00 | -0.18 |
| Mar | 2.33 | 2.29 | 0.04 |
| Apr | 3.82 | 3.84 | -0.02 |
| May | 4.65 | 4.67 | -0.02 |
| Jun | 4.43 | 4.40 | 0.03 |
| Jul | 3.71 | 3.72 | -0.01 |
| Aug | 3.95 | 4.07 | -0.12 |
| Sep | 3.28 | 3.26 | 0.02 |
| Oct | 3.42 | 3.46 | -0.04 |
| Nov | 2.48 | 2.64 | -0.16 |
| Dec | 2.10 | 2.22 | -0.12 |
37.90 | 38.68 | -0.78 |