| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.11 | 3.13 | -0.02 |
| Feb | 2.65 | 2.58 | 0.07 |
| Mar | 3.75 | 3.74 | 0.01 |
| Apr | 4.36 | 4.37 | -0.01 |
| May | 4.53 | 4.57 | -0.04 |
| Jun | 4.66 | 4.54 | 0.12 |
| Jul | 4.22 | 4.17 | 0.05 |
| Aug | 3.24 | 3.12 | 0.12 |
| Sep | 2.97 | 3.01 | -0.04 |
| Oct | 3.09 | 3.08 | 0.01 |
| Nov | 2.99 | 3.01 | -0.02 |
| Dec | 3.30 | 3.29 | 0.01 |
42.87 | 42.61 | 0.26 |