| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.40 | 0.18 |
| Feb | 1.08 | 1.10 | -0.02 |
| Mar | 1.66 | 1.70 | -0.04 |
| Apr | 2.54 | 2.64 | -0.10 |
| May | 3.06 | 3.10 | -0.04 |
| Jun | 3.26 | 3.23 | 0.03 |
| Jul | 3.34 | 3.42 | -0.08 |
| Aug | 2.87 | 2.96 | -0.09 |
| Sep | 3.37 | 3.46 | -0.09 |
| Oct | 3.42 | 3.36 | 0.06 |
| Nov | 2.24 | 2.26 | -0.02 |
| Dec | 1.73 | 1.79 | -0.06 |
30.15 | 30.42 | -0.27 |