| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.24 | -0.17 |
| Feb | 2.44 | 2.59 | -0.15 |
| Mar | 3.19 | 3.20 | -0.01 |
| Apr | 3.46 | 3.54 | -0.08 |
| May | 3.84 | 3.93 | -0.09 |
| Jun | 4.51 | 4.47 | 0.04 |
| Jul | 4.39 | 4.39 | 0.00 |
| Aug | 3.67 | 3.70 | -0.03 |
| Sep | 3.71 | 3.81 | -0.10 |
| Oct | 3.06 | 3.10 | -0.04 |
| Nov | 3.02 | 3.10 | -0.08 |
| Dec | 3.13 | 3.24 | -0.11 |
41.49 | 42.31 | -0.82 |