| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.66 | -0.19 |
| Feb | 1.36 | 1.47 | -0.11 |
| Mar | 1.89 | 1.92 | -0.03 |
| Apr | 3.53 | 3.60 | -0.07 |
| May | 3.73 | 3.79 | -0.06 |
| Jun | 4.54 | 4.37 | 0.17 |
| Jul | 3.68 | 3.91 | -0.23 |
| Aug | 3.76 | 3.94 | -0.18 |
| Sep | 3.15 | 3.20 | -0.05 |
| Oct | 2.73 | 2.84 | -0.11 |
| Nov | 2.03 | 2.07 | -0.04 |
| Dec | 1.70 | 1.88 | -0.18 |
33.57 | 34.65 | -1.08 |