| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.86 | -0.28 |
| Feb | 2.08 | 2.31 | -0.23 |
| Mar | 2.49 | 2.71 | -0.22 |
| Apr | 3.32 | 3.44 | -0.12 |
| May | 3.23 | 3.07 | 0.16 |
| Jun | 3.30 | 3.28 | 0.02 |
| Jul | 3.41 | 3.52 | -0.11 |
| Aug | 3.16 | 3.15 | 0.01 |
| Sep | 3.70 | 3.63 | 0.07 |
| Oct | 3.53 | 3.63 | -0.10 |
| Nov | 3.04 | 3.00 | 0.04 |
| Dec | 3.00 | 3.11 | -0.11 |
36.84 | 37.71 | -0.87 |