| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.42 | -0.36 |
| Feb | 1.97 | 2.29 | -0.32 |
| Mar | 1.94 | 2.28 | -0.34 |
| Apr | 1.60 | 1.80 | -0.20 |
| May | 1.45 | 1.49 | -0.04 |
| Jun | 1.07 | 1.23 | -0.16 |
| Jul | 0.64 | 0.68 | -0.04 |
| Aug | 0.84 | 0.80 | 0.04 |
| Sep | 1.18 | 1.31 | -0.13 |
| Oct | 2.43 | 2.77 | -0.34 |
| Nov | 3.58 | 3.90 | -0.32 |
| Dec | 2.92 | 3.39 | -0.47 |
22.68 | 25.36 | -2.68 |