| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.20 | -0.07 |
| Feb | 2.63 | 2.54 | 0.09 |
| Mar | 3.30 | 3.32 | -0.02 |
| Apr | 3.50 | 3.35 | 0.15 |
| May | 4.15 | 4.10 | 0.05 |
| Jun | 4.22 | 4.29 | -0.07 |
| Jul | 4.01 | 3.96 | 0.05 |
| Aug | 3.75 | 3.47 | 0.28 |
| Sep | 3.40 | 3.38 | 0.02 |
| Oct | 2.96 | 2.98 | -0.02 |
| Nov | 2.82 | 2.96 | -0.14 |
| Dec | 3.13 | 3.18 | -0.05 |
41.00 | 40.73 | 0.27 |