| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.41 | 0.02 |
| Feb | 2.74 | 2.69 | 0.05 |
| Mar | 3.96 | 3.97 | -0.01 |
| Apr | 3.50 | 3.44 | 0.06 |
| May | 3.71 | 3.68 | 0.03 |
| Jun | 4.57 | 4.39 | 0.18 |
| Jul | 4.54 | 4.66 | -0.12 |
| Aug | 4.20 | 4.12 | 0.08 |
| Sep | 4.60 | 4.66 | -0.06 |
| Oct | 3.48 | 3.49 | -0.01 |
| Nov | 3.15 | 3.16 | -0.01 |
| Dec | 3.48 | 3.49 | -0.01 |
45.36 | 45.16 | 0.20 |