| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.78 | -0.32 |
| Feb | 1.99 | 2.27 | -0.28 |
| Mar | 2.38 | 2.70 | -0.32 |
| Apr | 3.23 | 3.40 | -0.17 |
| May | 3.19 | 3.06 | 0.13 |
| Jun | 3.28 | 3.20 | 0.08 |
| Jul | 3.34 | 3.47 | -0.13 |
| Aug | 3.08 | 3.05 | 0.03 |
| Sep | 3.60 | 3.59 | 0.01 |
| Oct | 3.47 | 3.56 | -0.09 |
| Nov | 2.94 | 2.94 | 0.00 |
| Dec | 2.85 | 3.08 | -0.23 |
35.81 | 37.10 | -1.29 |