| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.45 | -0.04 |
| Feb | 0.63 | 0.71 | -0.08 |
| Mar | 0.96 | 1.06 | -0.10 |
| Apr | 2.00 | 1.98 | 0.02 |
| May | 3.25 | 3.11 | 0.14 |
| Jun | 3.29 | 3.15 | 0.14 |
| Jul | 2.38 | 2.62 | -0.24 |
| Aug | 1.87 | 1.77 | 0.10 |
| Sep | 1.30 | 1.38 | -0.08 |
| Oct | 1.68 | 1.79 | -0.11 |
| Nov | 0.52 | 0.57 | -0.05 |
| Dec | 0.52 | 0.50 | 0.02 |
18.81 | 19.09 | -0.28 |