| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.48 | 0.01 |
| Feb | 0.64 | 0.62 | 0.02 |
| Mar | 1.43 | 1.40 | 0.03 |
| Apr | 2.64 | 2.60 | 0.04 |
| May | 4.25 | 4.21 | 0.04 |
| Jun | 3.84 | 3.83 | 0.01 |
| Jul | 3.60 | 3.44 | 0.16 |
| Aug | 3.09 | 3.12 | -0.03 |
| Sep | 1.96 | 1.90 | 0.06 |
| Oct | 1.97 | 1.96 | 0.01 |
| Nov | 1.06 | 0.96 | 0.10 |
| Dec | 0.61 | 0.68 | -0.07 |
25.58 | 25.20 | 0.38 |