| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.32 | -0.07 |
| Feb | 1.97 | 2.08 | -0.11 |
| Mar | 2.68 | 2.74 | -0.06 |
| Apr | 4.03 | 3.98 | 0.05 |
| May | 4.38 | 4.39 | -0.01 |
| Jun | 4.67 | 4.64 | 0.03 |
| Jul | 4.25 | 4.11 | 0.14 |
| Aug | 3.29 | 3.21 | 0.08 |
| Sep | 3.04 | 3.13 | -0.09 |
| Oct | 3.29 | 3.26 | 0.03 |
| Nov | 3.14 | 3.18 | -0.04 |
| Dec | 2.29 | 2.39 | -0.10 |
39.28 | 39.43 | -0.15 |