| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.57 | -0.13 |
| Feb | 2.82 | 2.93 | -0.11 |
| Mar | 3.99 | 4.18 | -0.19 |
| Apr | 3.91 | 4.04 | -0.13 |
| May | 3.84 | 3.93 | -0.09 |
| Jun | 4.43 | 4.78 | -0.35 |
| Jul | 4.38 | 4.52 | -0.14 |
| Aug | 4.52 | 4.63 | -0.11 |
| Sep | 4.45 | 4.50 | -0.05 |
| Oct | 4.53 | 4.64 | -0.11 |
| Nov | 3.69 | 3.79 | -0.10 |
| Dec | 4.13 | 4.42 | -0.29 |
48.13 | 49.93 | -1.80 |