| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.85 | 1.89 | -0.04 |
| Feb | 1.68 | 1.82 | -0.14 |
| Mar | 2.22 | 2.29 | -0.07 |
| Apr | 3.71 | 3.76 | -0.05 |
| May | 4.64 | 4.56 | 0.08 |
| Jun | 4.44 | 4.33 | 0.11 |
| Jul | 3.92 | 3.82 | 0.10 |
| Aug | 3.96 | 3.75 | 0.21 |
| Sep | 3.22 | 3.25 | -0.03 |
| Oct | 3.28 | 3.29 | -0.01 |
| Nov | 2.48 | 2.48 | 0.00 |
| Dec | 2.02 | 2.08 | -0.06 |
37.42 | 37.32 | 0.10 |