| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.30 | 0.10 |
| Feb | 2.81 | 2.75 | 0.06 |
| Mar | 3.85 | 3.68 | 0.17 |
| Apr | 3.40 | 3.37 | 0.03 |
| May | 4.10 | 4.12 | -0.02 |
| Jun | 4.05 | 3.85 | 0.20 |
| Jul | 4.37 | 4.04 | 0.33 |
| Aug | 4.08 | 4.31 | -0.23 |
| Sep | 4.47 | 4.31 | 0.16 |
| Oct | 3.73 | 3.57 | 0.16 |
| Nov | 3.31 | 3.19 | 0.12 |
| Dec | 3.63 | 3.54 | 0.09 |
45.20 | 44.03 | 1.17 |