| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.63 | 0.02 |
| Feb | 0.70 | 0.66 | 0.04 |
| Mar | 1.53 | 1.48 | 0.05 |
| Apr | 1.97 | 2.00 | -0.03 |
| May | 3.27 | 3.29 | -0.02 |
| Jun | 3.65 | 3.62 | 0.03 |
| Jul | 3.39 | 3.38 | 0.01 |
| Aug | 3.10 | 3.10 | 0.00 |
| Sep | 1.72 | 1.64 | 0.08 |
| Oct | 2.08 | 2.07 | 0.01 |
| Nov | 0.90 | 0.86 | 0.04 |
| Dec | 0.96 | 0.95 | 0.01 |
23.92 | 23.68 | 0.24 |