| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.64 | -0.16 |
| Feb | 1.99 | 2.09 | -0.10 |
| Mar | 2.32 | 2.33 | -0.01 |
| Apr | 3.69 | 3.69 | 0.00 |
| May | 3.81 | 3.96 | -0.15 |
| Jun | 3.57 | 3.61 | -0.04 |
| Jul | 3.27 | 3.25 | 0.02 |
| Aug | 3.42 | 3.42 | 0.00 |
| Sep | 3.13 | 3.13 | 0.00 |
| Oct | 3.79 | 3.75 | 0.04 |
| Nov | 2.97 | 3.05 | -0.08 |
| Dec | 2.39 | 2.55 | -0.16 |
36.83 | 37.47 | -0.64 |