| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.62 | -0.06 |
| Feb | 2.86 | 2.91 | -0.05 |
| Mar | 4.18 | 4.20 | -0.02 |
| Apr | 3.68 | 3.83 | -0.15 |
| May | 4.04 | 3.97 | 0.07 |
| Jun | 4.30 | 4.54 | -0.24 |
| Jul | 4.83 | 4.80 | 0.03 |
| Aug | 4.39 | 4.48 | -0.09 |
| Sep | 4.01 | 4.13 | -0.12 |
| Oct | 4.15 | 4.11 | 0.04 |
| Nov | 3.29 | 3.35 | -0.06 |
| Dec | 4.32 | 4.37 | -0.05 |
47.61 | 48.31 | -0.70 |