| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.52 | -0.01 |
| Feb | 0.71 | 0.74 | -0.03 |
| Mar | 1.26 | 1.32 | -0.06 |
| Apr | 1.94 | 2.01 | -0.07 |
| May | 3.55 | 3.63 | -0.08 |
| Jun | 3.10 | 3.13 | -0.03 |
| Jul | 3.67 | 3.71 | -0.04 |
| Aug | 3.01 | 3.09 | -0.08 |
| Sep | 1.79 | 1.88 | -0.09 |
| Oct | 1.62 | 1.65 | -0.03 |
| Nov | 0.82 | 0.84 | -0.02 |
| Dec | 0.74 | 0.83 | -0.09 |
22.72 | 23.35 | -0.63 |