| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.60 | -0.09 |
| Feb | 0.75 | 0.79 | -0.04 |
| Mar | 1.13 | 1.27 | -0.14 |
| Apr | 2.37 | 2.57 | -0.20 |
| May | 3.97 | 4.44 | -0.47 |
| Jun | 3.52 | 3.65 | -0.13 |
| Jul | 3.49 | 3.65 | -0.16 |
| Aug | 2.41 | 2.49 | -0.08 |
| Sep | 1.68 | 1.64 | 0.04 |
| Oct | 1.57 | 1.76 | -0.19 |
| Nov | 0.64 | 0.76 | -0.12 |
| Dec | 0.57 | 0.63 | -0.06 |
22.61 | 24.25 | -1.64 |