| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.60 | -0.28 |
| Feb | 1.96 | 2.04 | -0.08 |
| Mar | 2.22 | 2.17 | 0.05 |
| Apr | 3.59 | 3.55 | 0.04 |
| May | 3.86 | 3.77 | 0.09 |
| Jun | 3.73 | 3.56 | 0.17 |
| Jul | 3.50 | 3.31 | 0.19 |
| Aug | 3.91 | 3.85 | 0.06 |
| Sep | 3.22 | 3.31 | -0.09 |
| Oct | 4.02 | 4.06 | -0.04 |
| Nov | 2.84 | 2.80 | 0.04 |
| Dec | 2.43 | 2.30 | 0.13 |
37.60 | 37.32 | 0.28 |