| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.03 | 0.02 |
| Feb | 2.72 | 2.72 | 0.00 |
| Mar | 3.50 | 3.54 | -0.04 |
| Apr | 4.11 | 4.10 | 0.01 |
| May | 4.42 | 4.30 | 0.12 |
| Jun | 4.24 | 4.36 | -0.12 |
| Jul | 4.00 | 3.99 | 0.01 |
| Aug | 3.37 | 3.24 | 0.13 |
| Sep | 2.99 | 2.99 | 0.00 |
| Oct | 2.93 | 2.93 | 0.00 |
| Nov | 2.96 | 2.89 | 0.07 |
| Dec | 3.11 | 3.09 | 0.02 |
41.40 | 41.18 | 0.22 |