| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.16 | -0.09 |
| Feb | 1.30 | 1.32 | -0.02 |
| Mar | 2.03 | 2.03 | 0.00 |
| Apr | 3.86 | 3.72 | 0.14 |
| May | 4.50 | 4.64 | -0.14 |
| Jun | 5.68 | 5.75 | -0.07 |
| Jul | 4.32 | 4.38 | -0.06 |
| Aug | 4.30 | 4.27 | 0.03 |
| Sep | 3.68 | 3.65 | 0.03 |
| Oct | 2.92 | 2.97 | -0.05 |
| Nov | 2.10 | 2.14 | -0.04 |
| Dec | 1.59 | 1.62 | -0.03 |
37.35 | 37.65 | -0.30 |