| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.19 | -0.21 |
| Feb | 2.37 | 2.48 | -0.11 |
| Mar | 3.41 | 3.40 | 0.01 |
| Apr | 4.84 | 4.94 | -0.10 |
| May | 4.71 | 4.79 | -0.08 |
| Jun | 5.09 | 4.98 | 0.11 |
| Jul | 4.32 | 4.49 | -0.17 |
| Aug | 3.07 | 3.03 | 0.04 |
| Sep | 3.30 | 3.36 | -0.06 |
| Oct | 3.67 | 3.68 | -0.01 |
| Nov | 3.61 | 3.75 | -0.14 |
| Dec | 2.96 | 3.04 | -0.08 |
44.33 | 45.13 | -0.80 |