| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.79 | -0.07 |
| Feb | 1.62 | 1.70 | -0.08 |
| Mar | 2.13 | 2.09 | 0.04 |
| Apr | 3.59 | 3.65 | -0.06 |
| May | 4.03 | 4.04 | -0.01 |
| Jun | 4.62 | 4.54 | 0.08 |
| Jul | 3.65 | 3.59 | 0.06 |
| Aug | 3.77 | 3.58 | 0.19 |
| Sep | 3.46 | 3.34 | 0.12 |
| Oct | 2.93 | 2.83 | 0.10 |
| Nov | 2.33 | 2.32 | 0.01 |
| Dec | 1.96 | 1.97 | -0.01 |
35.81 | 35.44 | 0.37 |