| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 2.91 | 0.05 |
| Feb | 2.61 | 2.53 | 0.08 |
| Mar | 3.43 | 3.38 | 0.05 |
| Apr | 4.08 | 3.99 | 0.09 |
| May | 4.30 | 4.37 | -0.07 |
| Jun | 4.43 | 4.52 | -0.09 |
| Jul | 4.06 | 4.02 | 0.04 |
| Aug | 3.42 | 3.35 | 0.07 |
| Sep | 2.98 | 2.97 | 0.01 |
| Oct | 2.84 | 2.93 | -0.09 |
| Nov | 2.92 | 2.83 | 0.09 |
| Dec | 2.99 | 2.99 | 0.00 |
41.02 | 40.79 | 0.23 |