| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.17 | -0.27 |
| Feb | 2.42 | 2.53 | -0.11 |
| Mar | 3.18 | 3.25 | -0.07 |
| Apr | 3.37 | 3.36 | 0.01 |
| May | 3.82 | 3.92 | -0.10 |
| Jun | 4.22 | 4.30 | -0.08 |
| Jul | 4.22 | 4.16 | 0.06 |
| Aug | 3.58 | 3.57 | 0.01 |
| Sep | 3.42 | 3.42 | 0.00 |
| Oct | 2.89 | 2.97 | -0.08 |
| Nov | 2.80 | 2.93 | -0.13 |
| Dec | 3.08 | 3.16 | -0.08 |
39.90 | 40.74 | -0.84 |