| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.11 | 1.18 | -0.07 |
| Feb | 1.05 | 1.07 | -0.02 |
| Mar | 1.78 | 1.77 | 0.01 |
| Apr | 3.20 | 3.26 | -0.06 |
| May | 3.89 | 4.01 | -0.12 |
| Jun | 4.80 | 4.83 | -0.03 |
| Jul | 3.77 | 3.70 | 0.07 |
| Aug | 3.94 | 3.81 | 0.13 |
| Sep | 3.52 | 3.60 | -0.08 |
| Oct | 2.76 | 2.72 | 0.04 |
| Nov | 1.85 | 1.87 | -0.02 |
| Dec | 1.46 | 1.51 | -0.05 |
33.13 | 33.33 | -0.20 |