| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.87 | -0.07 |
| Feb | 0.85 | 0.87 | -0.02 |
| Mar | 1.66 | 1.70 | -0.04 |
| Apr | 2.97 | 2.92 | 0.05 |
| May | 4.29 | 4.30 | -0.01 |
| Jun | 4.91 | 4.85 | 0.06 |
| Jul | 4.25 | 4.12 | 0.13 |
| Aug | 4.46 | 4.59 | -0.13 |
| Sep | 3.23 | 3.30 | -0.07 |
| Oct | 2.58 | 2.62 | -0.04 |
| Nov | 1.59 | 1.61 | -0.02 |
| Dec | 1.13 | 1.20 | -0.07 |
32.72 | 32.95 | -0.23 |