| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.25 | -0.18 |
| Feb | 2.38 | 2.53 | -0.15 |
| Mar | 3.27 | 3.25 | 0.02 |
| Apr | 3.56 | 3.58 | -0.02 |
| May | 3.74 | 3.74 | 0.00 |
| Jun | 4.54 | 4.16 | 0.38 |
| Jul | 4.23 | 4.10 | 0.13 |
| Aug | 3.84 | 3.88 | -0.04 |
| Sep | 3.84 | 3.88 | -0.04 |
| Oct | 3.17 | 3.21 | -0.04 |
| Nov | 3.11 | 3.31 | -0.20 |
| Dec | 3.22 | 3.20 | 0.02 |
41.97 | 42.09 | -0.12 |