| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.28 | 1.29 | -0.01 |
| Feb | 1.11 | 1.19 | -0.08 |
| Mar | 1.87 | 1.85 | 0.02 |
| Apr | 3.22 | 3.33 | -0.11 |
| May | 3.97 | 3.88 | 0.09 |
| Jun | 4.76 | 4.81 | -0.05 |
| Jul | 3.90 | 3.91 | -0.01 |
| Aug | 3.66 | 3.56 | 0.10 |
| Sep | 3.19 | 3.15 | 0.04 |
| Oct | 2.83 | 2.71 | 0.12 |
| Nov | 2.03 | 1.98 | 0.05 |
| Dec | 1.50 | 1.53 | -0.03 |
33.32 | 33.19 | 0.13 |