| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 2.84 | 0.23 |
| Feb | 2.49 | 2.35 | 0.14 |
| Mar | 3.17 | 2.96 | 0.21 |
| Apr | 3.52 | 3.43 | 0.09 |
| May | 4.49 | 4.48 | 0.01 |
| Jun | 4.36 | 4.31 | 0.05 |
| Jul | 2.31 | 2.15 | 0.16 |
| Aug | 3.21 | 2.68 | 0.53 |
| Sep | 3.79 | 3.53 | 0.26 |
| Oct | 4.66 | 4.40 | 0.26 |
| Nov | 3.34 | 3.27 | 0.07 |
| Dec | 3.00 | 2.98 | 0.02 |
41.41 | 39.38 | 2.03 |