| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.84 | 1.91 | -0.07 |
| Feb | 1.73 | 1.89 | -0.16 |
| Mar | 2.23 | 2.30 | -0.07 |
| Apr | 3.81 | 3.79 | 0.02 |
| May | 4.16 | 4.35 | -0.19 |
| Jun | 4.43 | 4.43 | 0.00 |
| Jul | 3.57 | 3.71 | -0.14 |
| Aug | 3.71 | 3.64 | 0.07 |
| Sep | 3.46 | 3.50 | -0.04 |
| Oct | 3.17 | 3.16 | 0.01 |
| Nov | 2.45 | 2.39 | 0.06 |
| Dec | 1.98 | 2.10 | -0.12 |
36.54 | 37.17 | -0.63 |