| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.12 | -0.20 |
| Feb | 2.30 | 2.40 | -0.10 |
| Mar | 3.33 | 3.43 | -0.10 |
| Apr | 3.95 | 4.01 | -0.06 |
| May | 4.21 | 4.25 | -0.04 |
| Jun | 4.56 | 4.64 | -0.08 |
| Jul | 4.21 | 4.23 | -0.02 |
| Aug | 3.57 | 3.56 | 0.01 |
| Sep | 3.28 | 3.40 | -0.12 |
| Oct | 2.91 | 2.88 | 0.03 |
| Nov | 3.00 | 2.97 | 0.03 |
| Dec | 3.04 | 3.07 | -0.03 |
41.28 | 41.96 | -0.68 |