| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.04 | 4.05 | -0.01 |
| Feb | 3.10 | 3.17 | -0.07 |
| Mar | 3.58 | 3.59 | -0.01 |
| Apr | 3.90 | 3.83 | 0.07 |
| May | 5.15 | 5.06 | 0.09 |
| Jun | 5.24 | 5.19 | 0.05 |
| Jul | 4.07 | 3.89 | 0.18 |
| Aug | 4.75 | 4.76 | -0.01 |
| Sep | 4.52 | 4.80 | -0.28 |
| Oct | 5.12 | 5.09 | 0.03 |
| Nov | 4.16 | 4.49 | -0.33 |
| Dec | 4.05 | 4.10 | -0.05 |
51.68 | 52.02 | -0.34 |