| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 2.98 | -0.07 |
| Feb | 2.29 | 2.36 | -0.07 |
| Mar | 3.27 | 3.35 | -0.08 |
| Apr | 3.91 | 3.91 | 0.00 |
| May | 4.31 | 4.19 | 0.12 |
| Jun | 4.67 | 4.69 | -0.02 |
| Jul | 4.48 | 4.35 | 0.13 |
| Aug | 3.69 | 3.52 | 0.17 |
| Sep | 3.32 | 3.25 | 0.07 |
| Oct | 2.90 | 2.89 | 0.01 |
| Nov | 2.90 | 2.88 | 0.02 |
| Dec | 2.99 | 3.05 | -0.06 |
41.64 | 41.42 | 0.22 |