| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.19 | 2.20 | -0.01 |
| Feb | 1.46 | 1.51 | -0.05 |
| Mar | 1.87 | 1.83 | 0.04 |
| Apr | 2.88 | 2.79 | 0.09 |
| May | 3.04 | 3.01 | 0.03 |
| Jun | 3.04 | 2.94 | 0.10 |
| Jul | 2.80 | 2.68 | 0.12 |
| Aug | 3.05 | 2.95 | 0.10 |
| Sep | 3.68 | 3.56 | 0.12 |
| Oct | 4.20 | 4.13 | 0.07 |
| Nov | 2.86 | 2.89 | -0.03 |
| Dec | 2.34 | 2.41 | -0.07 |
33.41 | 32.90 | 0.51 |