| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.37 | -0.03 |
| Feb | 1.11 | 1.13 | -0.02 |
| Mar | 1.87 | 1.83 | 0.04 |
| Apr | 3.06 | 3.11 | -0.05 |
| May | 3.58 | 3.56 | 0.02 |
| Jun | 4.43 | 4.27 | 0.16 |
| Jul | 3.83 | 3.73 | 0.10 |
| Aug | 3.50 | 3.49 | 0.01 |
| Sep | 3.47 | 3.42 | 0.05 |
| Oct | 2.91 | 2.89 | 0.02 |
| Nov | 1.96 | 1.93 | 0.03 |
| Dec | 1.64 | 1.66 | -0.02 |
32.70 | 32.39 | 0.31 |