| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.15 | -0.10 |
| Feb | 2.39 | 2.40 | -0.01 |
| Mar | 3.41 | 3.49 | -0.08 |
| Apr | 4.25 | 4.25 | 0.00 |
| May | 4.52 | 4.49 | 0.03 |
| Jun | 4.45 | 4.56 | -0.11 |
| Jul | 4.11 | 4.13 | -0.02 |
| Aug | 3.19 | 3.14 | 0.05 |
| Sep | 3.09 | 2.99 | 0.10 |
| Oct | 2.97 | 2.92 | 0.05 |
| Nov | 3.02 | 2.97 | 0.05 |
| Dec | 3.08 | 3.08 | 0.00 |
41.53 | 41.57 | -0.04 |