| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.74 | -0.02 |
| Feb | 1.73 | 1.73 | 0.00 |
| Mar | 2.44 | 2.32 | 0.12 |
| Apr | 3.55 | 3.54 | 0.01 |
| May | 4.74 | 4.64 | 0.10 |
| Jun | 5.05 | 4.84 | 0.21 |
| Jul | 4.04 | 4.03 | 0.01 |
| Aug | 3.89 | 3.84 | 0.05 |
| Sep | 3.51 | 3.41 | 0.10 |
| Oct | 2.90 | 2.91 | -0.01 |
| Nov | 2.40 | 2.37 | 0.03 |
| Dec | 1.99 | 2.00 | -0.01 |
37.96 | 37.37 | 0.59 |