| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.13 | -0.03 |
| Feb | 2.43 | 2.33 | 0.10 |
| Mar | 3.05 | 3.07 | -0.02 |
| Apr | 3.89 | 3.92 | -0.03 |
| May | 4.41 | 4.29 | 0.12 |
| Jun | 4.78 | 4.89 | -0.11 |
| Jul | 4.09 | 4.24 | -0.15 |
| Aug | 3.52 | 3.56 | -0.04 |
| Sep | 3.48 | 3.26 | 0.22 |
| Oct | 3.28 | 3.02 | 0.26 |
| Nov | 3.15 | 2.97 | 0.18 |
| Dec | 3.08 | 3.19 | -0.11 |
42.26 | 41.87 | 0.39 |