| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.26 | 2.32 | -0.06 |
| Feb | 1.94 | 2.04 | -0.10 |
| Mar | 2.77 | 2.74 | 0.03 |
| Apr | 4.04 | 3.98 | 0.06 |
| May | 4.40 | 4.43 | -0.03 |
| Jun | 4.69 | 4.67 | 0.02 |
| Jul | 4.20 | 4.19 | 0.01 |
| Aug | 3.39 | 3.31 | 0.08 |
| Sep | 3.05 | 3.11 | -0.06 |
| Oct | 3.32 | 3.27 | 0.05 |
| Nov | 3.19 | 3.12 | 0.07 |
| Dec | 2.31 | 2.38 | -0.07 |
39.56 | 39.56 | -0.00 |