| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.42 | 2.44 | -0.02 |
| Feb | 1.96 | 2.05 | -0.09 |
| Mar | 2.46 | 2.55 | -0.09 |
| Apr | 3.74 | 3.68 | 0.06 |
| May | 4.42 | 4.43 | -0.01 |
| Jun | 4.06 | 4.06 | 0.00 |
| Jul | 3.82 | 3.71 | 0.11 |
| Aug | 3.75 | 3.81 | -0.06 |
| Sep | 3.11 | 3.06 | 0.05 |
| Oct | 2.87 | 2.82 | 0.05 |
| Nov | 2.93 | 2.95 | -0.02 |
| Dec | 2.40 | 2.32 | 0.08 |
37.94 | 37.88 | 0.06 |