| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.14 | -0.05 |
| Feb | 2.95 | 2.85 | 0.10 |
| Mar | 3.90 | 3.61 | 0.29 |
| Apr | 3.89 | 3.90 | -0.01 |
| May | 4.16 | 4.30 | -0.14 |
| Jun | 4.27 | 4.31 | -0.04 |
| Jul | 4.38 | 4.38 | 0.00 |
| Aug | 3.31 | 3.30 | 0.01 |
| Sep | 3.42 | 3.19 | 0.23 |
| Oct | 3.02 | 2.99 | 0.03 |
| Nov | 2.89 | 2.79 | 0.10 |
| Dec | 3.17 | 3.29 | -0.12 |
42.45 | 42.05 | 0.40 |