| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.29 | -0.02 |
| Feb | 2.73 | 2.64 | 0.09 |
| Mar | 3.49 | 3.45 | 0.04 |
| Apr | 3.59 | 3.39 | 0.20 |
| May | 4.30 | 4.22 | 0.08 |
| Jun | 4.23 | 4.29 | -0.06 |
| Jul | 4.07 | 4.00 | 0.07 |
| Aug | 3.61 | 3.57 | 0.04 |
| Sep | 3.41 | 3.43 | -0.02 |
| Oct | 3.04 | 3.00 | 0.04 |
| Nov | 2.86 | 2.97 | -0.11 |
| Dec | 3.31 | 3.25 | 0.06 |
41.91 | 41.50 | 0.41 |