| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 1.26 | -0.04 |
| Feb | 1.05 | 1.08 | -0.03 |
| Mar | 1.81 | 1.80 | 0.01 |
| Apr | 3.07 | 2.97 | 0.10 |
| May | 3.63 | 3.71 | -0.08 |
| Jun | 4.52 | 4.40 | 0.12 |
| Jul | 3.79 | 3.78 | 0.01 |
| Aug | 3.55 | 3.66 | -0.11 |
| Sep | 3.44 | 3.46 | -0.02 |
| Oct | 2.85 | 2.86 | -0.01 |
| Nov | 1.89 | 1.87 | 0.02 |
| Dec | 1.52 | 1.56 | -0.04 |
32.34 | 32.41 | -0.07 |