| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.05 | 0.01 |
| Feb | 2.94 | 2.97 | -0.03 |
| Mar | 3.74 | 3.85 | -0.11 |
| Apr | 3.46 | 3.63 | -0.17 |
| May | 4.60 | 4.43 | 0.17 |
| Jun | 3.72 | 3.76 | -0.04 |
| Jul | 1.84 | 1.99 | -0.15 |
| Aug | 2.40 | 2.50 | -0.10 |
| Sep | 3.31 | 3.09 | 0.22 |
| Oct | 4.31 | 4.34 | -0.03 |
| Nov | 3.02 | 3.04 | -0.02 |
| Dec | 3.43 | 3.56 | -0.13 |
39.83 | 40.21 | -0.38 |