| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.79 | -0.14 |
| Feb | 2.22 | 2.24 | -0.02 |
| Mar | 2.36 | 2.40 | -0.04 |
| Apr | 3.57 | 3.50 | 0.07 |
| May | 4.10 | 4.15 | -0.05 |
| Jun | 4.14 | 4.12 | 0.02 |
| Jul | 3.91 | 3.91 | 0.00 |
| Aug | 4.09 | 3.99 | 0.10 |
| Sep | 3.41 | 3.43 | -0.02 |
| Oct | 3.71 | 3.79 | -0.08 |
| Nov | 2.87 | 2.88 | -0.01 |
| Dec | 2.51 | 2.45 | 0.06 |
39.54 | 39.65 | -0.11 |