| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.87 | -0.05 |
| Feb | 1.10 | 1.17 | -0.07 |
| Mar | 1.91 | 1.98 | -0.07 |
| Apr | 3.62 | 3.63 | -0.01 |
| May | 5.09 | 5.03 | 0.06 |
| Jun | 4.97 | 4.98 | -0.01 |
| Jul | 4.03 | 4.10 | -0.07 |
| Aug | 4.15 | 4.02 | 0.13 |
| Sep | 3.51 | 3.48 | 0.03 |
| Oct | 2.68 | 2.68 | 0.00 |
| Nov | 1.69 | 1.79 | -0.10 |
| Dec | 1.27 | 1.33 | -0.06 |
34.84 | 35.06 | -0.22 |