| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.13 | 2.26 | -0.13 |
| Feb | 2.08 | 2.26 | -0.18 |
| Mar | 3.07 | 3.06 | 0.01 |
| Apr | 4.64 | 4.73 | -0.09 |
| May | 5.04 | 4.92 | 0.12 |
| Jun | 4.40 | 4.53 | -0.13 |
| Jul | 4.33 | 4.17 | 0.16 |
| Aug | 3.84 | 3.79 | 0.05 |
| Sep | 4.02 | 4.21 | -0.19 |
| Oct | 3.55 | 3.57 | -0.02 |
| Nov | 2.97 | 3.08 | -0.11 |
| Dec | 2.28 | 2.30 | -0.02 |
42.35 | 42.88 | -0.53 |