| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.37 | 0.06 |
| Feb | 0.39 | 0.30 | 0.09 |
| Mar | 0.90 | 0.87 | 0.03 |
| Apr | 1.20 | 1.19 | 0.01 |
| May | 1.83 | 1.81 | 0.02 |
| Jun | 1.84 | 1.94 | -0.10 |
| Jul | 2.91 | 3.10 | -0.19 |
| Aug | 2.92 | 3.03 | -0.11 |
| Sep | 1.58 | 1.66 | -0.08 |
| Oct | 1.12 | 1.20 | -0.08 |
| Nov | 0.53 | 0.51 | 0.02 |
| Dec | 0.52 | 0.50 | 0.02 |
16.17 | 16.48 | -0.31 |