| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.02 | 0.06 |
| Feb | 2.73 | 2.77 | -0.04 |
| Mar | 3.60 | 3.56 | 0.04 |
| Apr | 3.72 | 3.73 | -0.01 |
| May | 4.36 | 4.43 | -0.07 |
| Jun | 4.05 | 4.20 | -0.15 |
| Jul | 4.17 | 3.94 | 0.23 |
| Aug | 3.52 | 3.32 | 0.20 |
| Sep | 3.72 | 3.38 | 0.34 |
| Oct | 2.95 | 2.87 | 0.08 |
| Nov | 2.91 | 2.81 | 0.10 |
| Dec | 3.28 | 3.25 | 0.03 |
42.09 | 41.28 | 0.81 |