| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.12 | -0.12 |
| Feb | 2.67 | 2.84 | -0.17 |
| Mar | 3.90 | 4.04 | -0.14 |
| Apr | 3.46 | 3.53 | -0.07 |
| May | 4.15 | 4.34 | -0.19 |
| Jun | 4.25 | 4.29 | -0.04 |
| Jul | 4.44 | 4.42 | 0.02 |
| Aug | 4.16 | 4.04 | 0.12 |
| Sep | 4.36 | 4.55 | -0.19 |
| Oct | 4.00 | 4.11 | -0.11 |
| Nov | 3.17 | 3.25 | -0.08 |
| Dec | 3.70 | 3.89 | -0.19 |
45.26 | 46.42 | -1.16 |