| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.64 | 0.04 |
| Feb | 0.72 | 0.66 | 0.06 |
| Mar | 1.56 | 1.49 | 0.07 |
| Apr | 1.97 | 2.01 | -0.04 |
| May | 3.28 | 3.31 | -0.03 |
| Jun | 3.66 | 3.68 | -0.02 |
| Jul | 3.39 | 3.43 | -0.04 |
| Aug | 3.09 | 3.08 | 0.01 |
| Sep | 1.76 | 1.64 | 0.12 |
| Oct | 2.10 | 2.10 | 0.00 |
| Nov | 0.92 | 0.89 | 0.03 |
| Dec | 0.98 | 0.97 | 0.01 |
24.11 | 23.90 | 0.21 |