| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.58 | 0.05 |
| Feb | 0.73 | 0.69 | 0.04 |
| Mar | 1.31 | 1.44 | -0.13 |
| Apr | 2.32 | 1.96 | 0.36 |
| May | 2.96 | 3.20 | -0.24 |
| Jun | 1.94 | 2.03 | -0.09 |
| Jul | 2.18 | 2.45 | -0.27 |
| Aug | 1.84 | 1.91 | -0.07 |
| Sep | 1.56 | 1.85 | -0.29 |
| Oct | 1.23 | 1.25 | -0.02 |
| Nov | 0.89 | 0.81 | 0.08 |
| Dec | 0.54 | 0.51 | 0.03 |
18.13 | 18.68 | -0.55 |