| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.68 | 0.13 |
| Feb | 2.10 | 2.07 | 0.03 |
| Mar | 3.02 | 2.87 | 0.15 |
| Apr | 3.10 | 2.95 | 0.15 |
| May | 4.28 | 4.33 | -0.05 |
| Jun | 3.89 | 4.04 | -0.15 |
| Jul | 2.29 | 2.50 | -0.21 |
| Aug | 2.88 | 3.11 | -0.23 |
| Sep | 3.55 | 3.61 | -0.06 |
| Oct | 4.12 | 4.13 | -0.01 |
| Nov | 3.03 | 3.01 | 0.02 |
| Dec | 2.73 | 2.62 | 0.11 |
37.80 | 37.92 | -0.12 |