| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 1.70 | 0.01 |
| Feb | 1.72 | 1.71 | 0.01 |
| Mar | 2.41 | 2.29 | 0.12 |
| Apr | 3.52 | 3.51 | 0.01 |
| May | 4.68 | 4.65 | 0.03 |
| Jun | 5.03 | 4.90 | 0.13 |
| Jul | 4.03 | 4.05 | -0.02 |
| Aug | 3.89 | 3.84 | 0.05 |
| Sep | 3.40 | 3.40 | 0.00 |
| Oct | 2.85 | 2.86 | -0.01 |
| Nov | 2.37 | 2.34 | 0.03 |
| Dec | 1.98 | 1.98 | 0.00 |
37.59 | 37.23 | 0.36 |