| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.53 | -0.14 |
| Feb | 2.84 | 2.98 | -0.14 |
| Mar | 3.54 | 3.57 | -0.03 |
| Apr | 2.89 | 2.88 | 0.01 |
| May | 3.45 | 3.25 | 0.20 |
| Jun | 7.54 | 7.75 | -0.21 |
| Jul | 6.91 | 6.91 | 0.00 |
| Aug | 7.30 | 7.38 | -0.08 |
| Sep | 5.81 | 5.52 | 0.29 |
| Oct | 2.87 | 3.01 | -0.14 |
| Nov | 1.92 | 1.95 | -0.03 |
| Dec | 2.96 | 3.08 | -0.12 |
51.42 | 51.81 | -0.39 |