| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 2.26 | -0.19 |
| Feb | 1.42 | 1.68 | -0.26 |
| Mar | 1.81 | 1.90 | -0.09 |
| Apr | 2.93 | 3.24 | -0.31 |
| May | 3.15 | 3.22 | -0.07 |
| Jun | 2.91 | 3.18 | -0.27 |
| Jul | 2.97 | 3.09 | -0.12 |
| Aug | 3.10 | 3.12 | -0.02 |
| Sep | 3.31 | 3.45 | -0.14 |
| Oct | 3.86 | 3.94 | -0.08 |
| Nov | 2.66 | 2.92 | -0.26 |
| Dec | 2.34 | 2.40 | -0.06 |
32.53 | 34.40 | -1.87 |