| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.29 | -0.11 |
| Feb | 2.84 | 2.86 | -0.02 |
| Mar | 4.03 | 4.28 | -0.25 |
| Apr | 3.71 | 3.68 | 0.03 |
| May | 4.23 | 4.22 | 0.01 |
| Jun | 4.28 | 4.22 | 0.06 |
| Jul | 4.56 | 4.53 | 0.03 |
| Aug | 4.35 | 4.10 | 0.25 |
| Sep | 4.60 | 4.66 | -0.06 |
| Oct | 4.27 | 4.39 | -0.12 |
| Nov | 3.53 | 3.39 | 0.14 |
| Dec | 3.74 | 4.08 | -0.34 |
47.32 | 47.70 | -0.38 |