| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.10 | 1.99 | 0.11 |
| Feb | 1.78 | 1.79 | -0.01 |
| Mar | 2.30 | 2.34 | -0.04 |
| Apr | 3.54 | 3.53 | 0.01 |
| May | 4.56 | 4.51 | 0.05 |
| Jun | 4.43 | 4.50 | -0.07 |
| Jul | 3.98 | 4.11 | -0.13 |
| Aug | 3.76 | 3.68 | 0.08 |
| Sep | 3.30 | 3.29 | 0.01 |
| Oct | 3.06 | 3.07 | -0.01 |
| Nov | 2.44 | 2.45 | -0.01 |
| Dec | 1.97 | 2.03 | -0.06 |
37.22 | 37.29 | -0.07 |