| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.55 | 2.57 | -0.02 |
| Feb | 2.07 | 2.17 | -0.10 |
| Mar | 2.84 | 2.83 | 0.01 |
| Apr | 3.91 | 3.80 | 0.11 |
| May | 4.35 | 4.31 | 0.04 |
| Jun | 4.89 | 4.94 | -0.05 |
| Jul | 4.56 | 4.81 | -0.25 |
| Aug | 3.87 | 3.73 | 0.14 |
| Sep | 3.29 | 3.20 | 0.09 |
| Oct | 3.10 | 3.00 | 0.10 |
| Nov | 3.09 | 3.09 | 0.00 |
| Dec | 2.52 | 2.48 | 0.04 |
41.04 | 40.93 | 0.11 |