| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.67 | 0.04 |
| Feb | 1.05 | 1.11 | -0.06 |
| Mar | 2.01 | 2.02 | -0.01 |
| Apr | 3.24 | 3.30 | -0.06 |
| May | 4.97 | 4.95 | 0.02 |
| Jun | 4.79 | 5.10 | -0.31 |
| Jul | 4.42 | 4.23 | 0.19 |
| Aug | 4.17 | 4.19 | -0.02 |
| Sep | 2.96 | 3.04 | -0.08 |
| Oct | 2.39 | 2.42 | -0.03 |
| Nov | 1.54 | 1.54 | 0.00 |
| Dec | 1.20 | 1.22 | -0.02 |
33.45 | 33.79 | -0.34 |