| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.79 | -0.15 |
| Feb | 2.17 | 2.23 | -0.06 |
| Mar | 2.90 | 3.05 | -0.15 |
| Apr | 3.58 | 3.67 | -0.09 |
| May | 3.81 | 3.94 | -0.13 |
| Jun | 4.24 | 4.19 | 0.05 |
| Jul | 4.04 | 4.08 | -0.04 |
| Aug | 3.59 | 3.61 | -0.02 |
| Sep | 3.64 | 3.68 | -0.04 |
| Oct | 3.22 | 3.29 | -0.07 |
| Nov | 2.90 | 2.87 | 0.03 |
| Dec | 2.84 | 2.93 | -0.09 |
39.57 | 40.33 | -0.76 |