| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.11 | -0.10 |
| Feb | 2.44 | 2.36 | 0.08 |
| Mar | 3.18 | 3.24 | -0.06 |
| Apr | 3.87 | 3.93 | -0.06 |
| May | 4.32 | 4.24 | 0.08 |
| Jun | 4.68 | 4.71 | -0.03 |
| Jul | 4.04 | 4.04 | 0.00 |
| Aug | 3.48 | 3.48 | 0.00 |
| Sep | 3.30 | 3.37 | -0.07 |
| Oct | 3.01 | 2.89 | 0.12 |
| Nov | 2.96 | 2.90 | 0.06 |
| Dec | 2.99 | 3.09 | -0.10 |
41.28 | 41.36 | -0.08 |