| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.63 | 0.18 |
| Feb | 2.65 | 2.49 | 0.16 |
| Mar | 2.47 | 2.27 | 0.20 |
| Apr | 1.83 | 1.84 | -0.01 |
| May | 1.44 | 1.39 | 0.05 |
| Jun | 0.72 | 0.79 | -0.07 |
| Jul | 0.31 | 0.34 | -0.03 |
| Aug | 0.29 | 0.33 | -0.04 |
| Sep | 0.50 | 0.45 | 0.05 |
| Oct | 1.62 | 1.59 | 0.03 |
| Nov | 3.28 | 3.19 | 0.09 |
| Dec | 4.62 | 4.65 | -0.03 |
23.54 | 22.96 | 0.58 |