| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.66 | 0.06 |
| Feb | 0.79 | 0.73 | 0.06 |
| Mar | 1.49 | 1.46 | 0.03 |
| Apr | 2.54 | 2.58 | -0.04 |
| May | 3.70 | 3.64 | 0.06 |
| Jun | 4.17 | 4.27 | -0.10 |
| Jul | 4.03 | 3.94 | 0.09 |
| Aug | 3.84 | 3.92 | -0.08 |
| Sep | 2.88 | 2.95 | -0.07 |
| Oct | 2.64 | 2.68 | -0.04 |
| Nov | 1.37 | 1.31 | 0.06 |
| Dec | 0.89 | 0.90 | -0.01 |
29.06 | 29.04 | 0.02 |