| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.42 | 2.43 | -0.01 |
| Feb | 1.96 | 2.04 | -0.08 |
| Mar | 2.46 | 2.52 | -0.06 |
| Apr | 3.74 | 3.65 | 0.09 |
| May | 4.42 | 4.41 | 0.01 |
| Jun | 4.06 | 4.04 | 0.02 |
| Jul | 3.82 | 3.64 | 0.18 |
| Aug | 3.75 | 3.79 | -0.04 |
| Sep | 3.11 | 3.06 | 0.05 |
| Oct | 2.87 | 2.81 | 0.06 |
| Nov | 2.93 | 2.93 | 0.00 |
| Dec | 2.40 | 2.33 | 0.07 |
37.94 | 37.65 | 0.29 |