| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.53 | 0.04 |
| Feb | 0.83 | 0.76 | 0.07 |
| Mar | 1.34 | 1.27 | 0.07 |
| Apr | 2.12 | 2.02 | 0.10 |
| May | 3.88 | 3.63 | 0.25 |
| Jun | 3.46 | 3.16 | 0.30 |
| Jul | 3.88 | 3.91 | -0.03 |
| Aug | 3.47 | 3.36 | 0.11 |
| Sep | 1.98 | 2.06 | -0.08 |
| Oct | 1.79 | 1.69 | 0.10 |
| Nov | 0.95 | 0.89 | 0.06 |
| Dec | 0.85 | 0.83 | 0.02 |
25.12 | 24.11 | 1.01 |