| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.42 | 0.00 |
| Feb | 0.61 | 0.60 | 0.01 |
| Mar | 1.27 | 1.29 | -0.02 |
| Apr | 2.53 | 2.66 | -0.13 |
| May | 3.93 | 3.95 | -0.02 |
| Jun | 3.74 | 3.75 | -0.01 |
| Jul | 3.19 | 3.19 | 0.00 |
| Aug | 2.81 | 2.65 | 0.16 |
| Sep | 1.97 | 2.06 | -0.09 |
| Oct | 1.95 | 1.89 | 0.06 |
| Nov | 0.78 | 0.84 | -0.06 |
| Dec | 0.55 | 0.57 | -0.02 |
23.75 | 23.87 | -0.12 |