| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.72 | -0.08 |
| Feb | 0.84 | 0.90 | -0.06 |
| Mar | 1.75 | 1.79 | -0.04 |
| Apr | 2.57 | 2.60 | -0.03 |
| May | 2.52 | 2.57 | -0.05 |
| Jun | 1.96 | 1.91 | 0.05 |
| Jul | 2.29 | 2.59 | -0.30 |
| Aug | 2.24 | 2.38 | -0.14 |
| Sep | 1.64 | 1.70 | -0.06 |
| Oct | 1.27 | 1.35 | -0.08 |
| Nov | 0.85 | 0.90 | -0.05 |
| Dec | 0.64 | 0.73 | -0.09 |
19.21 | 20.14 | -0.93 |