| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.57 | -0.16 |
| Feb | 3.20 | 3.39 | -0.19 |
| Mar | 3.51 | 3.71 | -0.20 |
| Apr | 3.10 | 3.15 | -0.05 |
| May | 3.91 | 3.88 | 0.03 |
| Jun | 4.90 | 5.04 | -0.14 |
| Jul | 5.89 | 6.33 | -0.44 |
| Aug | 6.29 | 7.04 | -0.75 |
| Sep | 6.12 | 6.67 | -0.55 |
| Oct | 4.00 | 4.42 | -0.42 |
| Nov | 3.26 | 3.25 | 0.01 |
| Dec | 3.68 | 3.66 | 0.02 |
51.27 | 54.11 | -2.84 |