| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.61 | 2.79 | -0.18 |
| Feb | 2.09 | 2.06 | 0.03 |
| Mar | 2.91 | 2.90 | 0.01 |
| Apr | 3.57 | 3.58 | -0.01 |
| May | 3.98 | 4.07 | -0.09 |
| Jun | 4.28 | 4.23 | 0.05 |
| Jul | 3.97 | 3.89 | 0.08 |
| Aug | 3.57 | 3.54 | 0.03 |
| Sep | 3.58 | 3.55 | 0.03 |
| Oct | 3.32 | 3.17 | 0.15 |
| Nov | 2.91 | 2.86 | 0.05 |
| Dec | 2.70 | 2.83 | -0.13 |
39.49 | 39.47 | 0.02 |