| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.86 | 1.91 | -0.05 |
| Feb | 1.68 | 1.82 | -0.14 |
| Mar | 2.22 | 2.30 | -0.08 |
| Apr | 3.74 | 3.78 | -0.04 |
| May | 4.60 | 4.54 | 0.06 |
| Jun | 4.45 | 4.36 | 0.09 |
| Jul | 3.93 | 3.90 | 0.03 |
| Aug | 3.96 | 3.74 | 0.22 |
| Sep | 3.20 | 3.28 | -0.08 |
| Oct | 3.28 | 3.30 | -0.02 |
| Nov | 2.49 | 2.49 | 0.00 |
| Dec | 2.04 | 2.08 | -0.04 |
37.45 | 37.50 | -0.05 |