| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.45 | -0.01 |
| Feb | 0.71 | 0.69 | 0.02 |
| Mar | 1.16 | 1.25 | -0.09 |
| Apr | 2.60 | 2.71 | -0.11 |
| May | 3.88 | 3.74 | 0.14 |
| Jun | 4.11 | 3.97 | 0.14 |
| Jul | 3.72 | 3.30 | 0.42 |
| Aug | 2.51 | 2.56 | -0.05 |
| Sep | 2.04 | 2.00 | 0.04 |
| Oct | 1.71 | 1.78 | -0.07 |
| Nov | 0.68 | 0.68 | 0.00 |
| Dec | 0.52 | 0.56 | -0.04 |
24.08 | 23.69 | 0.39 |