| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.76 | -0.01 |
| Feb | 0.93 | 1.01 | -0.08 |
| Mar | 1.76 | 1.71 | 0.05 |
| Apr | 3.11 | 3.12 | -0.01 |
| May | 4.74 | 4.80 | -0.06 |
| Jun | 4.90 | 4.97 | -0.07 |
| Jul | 3.55 | 3.38 | 0.17 |
| Aug | 3.93 | 3.95 | -0.02 |
| Sep | 3.08 | 3.07 | 0.01 |
| Oct | 2.39 | 2.40 | -0.01 |
| Nov | 1.39 | 1.35 | 0.04 |
| Dec | 1.20 | 1.29 | -0.09 |
31.73 | 31.81 | -0.08 |