| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.91 | -0.02 |
| Feb | 0.95 | 0.96 | -0.01 |
| Mar | 1.49 | 1.54 | -0.05 |
| Apr | 2.70 | 2.77 | -0.07 |
| May | 3.79 | 3.83 | -0.04 |
| Jun | 4.14 | 4.18 | -0.04 |
| Jul | 4.04 | 4.39 | -0.35 |
| Aug | 3.93 | 4.00 | -0.07 |
| Sep | 3.71 | 3.68 | 0.03 |
| Oct | 3.16 | 3.24 | -0.08 |
| Nov | 1.68 | 1.71 | -0.03 |
| Dec | 1.31 | 1.31 | 0.00 |
31.79 | 32.52 | -0.73 |