| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 3.04 | -0.17 |
| Feb | 2.38 | 2.36 | 0.02 |
| Mar | 3.12 | 3.10 | 0.02 |
| Apr | 3.49 | 3.59 | -0.10 |
| May | 3.74 | 3.80 | -0.06 |
| Jun | 4.24 | 4.20 | 0.04 |
| Jul | 4.04 | 3.98 | 0.06 |
| Aug | 3.61 | 3.43 | 0.18 |
| Sep | 3.60 | 3.50 | 0.10 |
| Oct | 2.93 | 2.98 | -0.05 |
| Nov | 2.80 | 2.90 | -0.10 |
| Dec | 2.93 | 3.05 | -0.12 |
39.75 | 39.93 | -0.18 |