| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.92 | 1.96 | -0.04 |
| Feb | 1.77 | 1.84 | -0.07 |
| Mar | 2.30 | 2.27 | 0.03 |
| Apr | 3.86 | 3.79 | 0.07 |
| May | 4.60 | 4.67 | -0.07 |
| Jun | 4.37 | 4.35 | 0.02 |
| Jul | 3.87 | 3.85 | 0.02 |
| Aug | 4.00 | 3.87 | 0.13 |
| Sep | 3.19 | 3.22 | -0.03 |
| Oct | 3.42 | 3.44 | -0.02 |
| Nov | 2.58 | 2.49 | 0.09 |
| Dec | 2.10 | 2.07 | 0.03 |
37.98 | 37.82 | 0.16 |