| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.99 | 2.07 | -0.08 |
| Feb | 1.62 | 1.72 | -0.10 |
| Mar | 1.98 | 2.00 | -0.02 |
| Apr | 3.45 | 3.54 | -0.09 |
| May | 3.57 | 3.56 | 0.01 |
| Jun | 3.42 | 3.52 | -0.10 |
| Jul | 3.03 | 2.94 | 0.09 |
| Aug | 3.62 | 3.49 | 0.13 |
| Sep | 2.72 | 2.88 | -0.16 |
| Oct | 3.18 | 3.35 | -0.17 |
| Nov | 2.42 | 2.57 | -0.15 |
| Dec | 1.91 | 1.98 | -0.07 |
32.91 | 33.62 | -0.71 |