| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.36 | 2.54 | -0.18 |
| Feb | 2.10 | 2.13 | -0.03 |
| Mar | 2.48 | 2.55 | -0.07 |
| Apr | 3.56 | 3.61 | -0.05 |
| May | 4.13 | 4.19 | -0.06 |
| Jun | 3.98 | 3.99 | -0.01 |
| Jul | 4.13 | 4.12 | 0.01 |
| Aug | 3.54 | 3.45 | 0.09 |
| Sep | 2.79 | 2.87 | -0.08 |
| Oct | 2.76 | 2.73 | 0.03 |
| Nov | 2.81 | 2.79 | 0.02 |
| Dec | 2.42 | 2.40 | 0.02 |
37.06 | 37.37 | -0.31 |