| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.30 | -0.14 |
| Feb | 2.62 | 2.63 | -0.01 |
| Mar | 3.30 | 3.30 | 0.00 |
| Apr | 3.60 | 3.51 | 0.09 |
| May | 4.09 | 4.17 | -0.08 |
| Jun | 4.28 | 4.39 | -0.11 |
| Jul | 4.09 | 3.99 | 0.10 |
| Aug | 3.75 | 3.52 | 0.23 |
| Sep | 3.49 | 3.51 | -0.02 |
| Oct | 3.13 | 3.06 | 0.07 |
| Nov | 2.91 | 3.05 | -0.14 |
| Dec | 3.11 | 3.22 | -0.11 |
41.53 | 41.65 | -0.12 |