| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.55 | 1.51 | 0.04 |
| Feb | 1.78 | 1.79 | -0.01 |
| Mar | 2.52 | 2.45 | 0.07 |
| Apr | 3.70 | 3.78 | -0.08 |
| May | 4.96 | 4.95 | 0.01 |
| Jun | 4.86 | 4.57 | 0.29 |
| Jul | 3.84 | 3.94 | -0.10 |
| Aug | 3.71 | 3.81 | -0.10 |
| Sep | 3.59 | 3.65 | -0.06 |
| Oct | 2.83 | 2.80 | 0.03 |
| Nov | 2.36 | 2.32 | 0.04 |
| Dec | 1.91 | 1.96 | -0.05 |
37.61 | 37.53 | 0.08 |