| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.29 | 0.08 |
| Feb | 2.78 | 2.76 | 0.02 |
| Mar | 3.95 | 3.86 | 0.09 |
| Apr | 3.40 | 3.33 | 0.07 |
| May | 4.16 | 4.12 | 0.04 |
| Jun | 4.27 | 4.18 | 0.09 |
| Jul | 4.39 | 4.37 | 0.02 |
| Aug | 4.45 | 4.55 | -0.10 |
| Sep | 4.53 | 4.33 | 0.20 |
| Oct | 3.68 | 3.61 | 0.07 |
| Nov | 3.29 | 3.24 | 0.05 |
| Dec | 3.63 | 3.71 | -0.08 |
45.90 | 45.35 | 0.55 |