| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.72 | -0.03 |
| Feb | 0.80 | 0.79 | 0.01 |
| Mar | 1.50 | 1.47 | 0.03 |
| Apr | 2.72 | 2.68 | 0.04 |
| May | 3.90 | 4.06 | -0.16 |
| Jun | 4.35 | 4.34 | 0.01 |
| Jul | 3.95 | 3.94 | 0.01 |
| Aug | 3.98 | 4.11 | -0.13 |
| Sep | 3.14 | 3.15 | -0.01 |
| Oct | 2.57 | 2.66 | -0.09 |
| Nov | 1.41 | 1.39 | 0.02 |
| Dec | 0.96 | 1.01 | -0.05 |
29.97 | 30.32 | -0.35 |