| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.21 | -0.22 |
| Feb | 2.34 | 2.55 | -0.21 |
| Mar | 3.24 | 3.14 | 0.10 |
| Apr | 3.49 | 3.59 | -0.10 |
| May | 3.84 | 3.86 | -0.02 |
| Jun | 4.42 | 4.28 | 0.14 |
| Jul | 4.17 | 4.16 | 0.01 |
| Aug | 3.70 | 3.64 | 0.06 |
| Sep | 3.79 | 3.68 | 0.11 |
| Oct | 3.07 | 3.06 | 0.01 |
| Nov | 2.98 | 3.11 | -0.13 |
| Dec | 3.19 | 3.16 | 0.03 |
41.22 | 41.44 | -0.22 |