| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.79 | -0.10 |
| Feb | 2.27 | 2.30 | -0.03 |
| Mar | 2.97 | 2.96 | 0.01 |
| Apr | 3.89 | 3.92 | -0.03 |
| May | 4.46 | 4.41 | 0.05 |
| Jun | 5.07 | 5.02 | 0.05 |
| Jul | 4.73 | 4.68 | 0.05 |
| Aug | 3.63 | 3.48 | 0.15 |
| Sep | 3.16 | 3.12 | 0.04 |
| Oct | 3.21 | 3.09 | 0.12 |
| Nov | 3.27 | 3.25 | 0.02 |
| Dec | 2.68 | 2.69 | -0.01 |
42.03 | 41.71 | 0.32 |