| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.66 | 0.02 |
| Feb | 0.69 | 0.60 | 0.09 |
| Mar | 1.13 | 1.09 | 0.04 |
| Apr | 1.97 | 2.01 | -0.04 |
| May | 3.29 | 3.37 | -0.08 |
| Jun | 4.36 | 4.37 | -0.01 |
| Jul | 3.99 | 4.04 | -0.05 |
| Aug | 3.08 | 3.19 | -0.11 |
| Sep | 2.87 | 2.99 | -0.12 |
| Oct | 2.54 | 2.52 | 0.02 |
| Nov | 0.98 | 0.94 | 0.04 |
| Dec | 0.79 | 0.81 | -0.02 |
26.37 | 26.59 | -0.22 |