| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.59 | -0.04 |
| Feb | 0.80 | 0.78 | 0.02 |
| Mar | 1.34 | 1.30 | 0.04 |
| Apr | 2.13 | 2.07 | 0.06 |
| May | 3.97 | 3.76 | 0.21 |
| Jun | 3.50 | 3.24 | 0.26 |
| Jul | 3.97 | 3.99 | -0.02 |
| Aug | 3.50 | 3.49 | 0.01 |
| Sep | 2.05 | 2.27 | -0.22 |
| Oct | 1.82 | 1.78 | 0.04 |
| Nov | 0.96 | 0.93 | 0.03 |
| Dec | 0.83 | 0.84 | -0.01 |
25.42 | 25.04 | 0.38 |