| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.62 | 2.87 | -0.25 |
| Feb | 2.28 | 2.36 | -0.08 |
| Mar | 3.26 | 3.35 | -0.09 |
| Apr | 3.87 | 3.92 | -0.05 |
| May | 4.29 | 4.15 | 0.14 |
| Jun | 4.41 | 4.46 | -0.05 |
| Jul | 4.27 | 4.16 | 0.11 |
| Aug | 3.37 | 3.42 | -0.05 |
| Sep | 3.15 | 3.07 | 0.08 |
| Oct | 2.73 | 2.87 | -0.14 |
| Nov | 2.74 | 2.81 | -0.07 |
| Dec | 2.84 | 3.02 | -0.18 |
39.83 | 40.46 | -0.63 |