| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.16 | -0.13 |
| Feb | 2.45 | 2.49 | -0.04 |
| Mar | 3.42 | 3.50 | -0.08 |
| Apr | 3.96 | 3.99 | -0.03 |
| May | 4.13 | 4.05 | 0.08 |
| Jun | 4.76 | 4.68 | 0.08 |
| Jul | 4.02 | 4.23 | -0.21 |
| Aug | 3.69 | 3.65 | 0.04 |
| Sep | 3.20 | 3.23 | -0.03 |
| Oct | 2.94 | 2.96 | -0.02 |
| Nov | 2.88 | 2.93 | -0.05 |
| Dec | 3.16 | 3.16 | 0.00 |
41.64 | 42.03 | -0.39 |