| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.45 | -0.05 |
| Feb | 1.93 | 2.07 | -0.14 |
| Mar | 2.20 | 2.25 | -0.05 |
| Apr | 3.59 | 3.61 | -0.02 |
| May | 4.06 | 4.26 | -0.20 |
| Jun | 4.03 | 3.95 | 0.08 |
| Jul | 3.85 | 3.66 | 0.19 |
| Aug | 3.78 | 3.85 | -0.07 |
| Sep | 3.16 | 2.98 | 0.18 |
| Oct | 3.22 | 3.08 | 0.14 |
| Nov | 2.77 | 2.89 | -0.12 |
| Dec | 2.42 | 2.28 | 0.14 |
37.41 | 37.33 | 0.08 |