| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.67 | -0.08 |
| Feb | 2.37 | 2.35 | 0.02 |
| Mar | 3.53 | 3.57 | -0.04 |
| Apr | 4.71 | 4.67 | 0.04 |
| May | 4.75 | 4.91 | -0.16 |
| Jun | 4.24 | 4.13 | 0.11 |
| Jul | 3.94 | 3.89 | 0.05 |
| Aug | 3.71 | 3.47 | 0.24 |
| Sep | 3.51 | 3.55 | -0.04 |
| Oct | 3.10 | 3.12 | -0.02 |
| Nov | 3.49 | 3.44 | 0.05 |
| Dec | 2.66 | 2.57 | 0.09 |
42.60 | 42.34 | 0.26 |