| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.82 | 0.01 |
| Feb | 0.99 | 1.04 | -0.05 |
| Mar | 1.85 | 1.76 | 0.09 |
| Apr | 3.21 | 3.26 | -0.05 |
| May | 4.96 | 4.77 | 0.19 |
| Jun | 4.94 | 4.91 | 0.03 |
| Jul | 3.68 | 3.46 | 0.22 |
| Aug | 3.93 | 3.90 | 0.03 |
| Sep | 3.09 | 2.97 | 0.12 |
| Oct | 2.48 | 2.50 | -0.02 |
| Nov | 1.36 | 1.40 | -0.04 |
| Dec | 1.27 | 1.25 | 0.02 |
32.59 | 32.04 | 0.55 |