| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.92 | 3.96 | -0.04 |
| Feb | 3.28 | 3.47 | -0.19 |
| Mar | 4.37 | 4.52 | -0.15 |
| Apr | 4.10 | 4.01 | 0.09 |
| May | 3.15 | 3.31 | -0.16 |
| Jun | 3.43 | 3.41 | 0.02 |
| Jul | 2.50 | 2.66 | -0.16 |
| Aug | 3.31 | 3.25 | 0.06 |
| Sep | 3.89 | 3.73 | 0.16 |
| Oct | 4.49 | 4.47 | 0.02 |
| Nov | 4.19 | 4.21 | -0.02 |
| Dec | 4.68 | 4.60 | 0.08 |
45.31 | 45.60 | -0.29 |