| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.03 | 7.31 | -0.28 |
| Feb | 7.15 | 6.56 | 0.59 |
| Mar | 6.79 | 5.67 | 1.12 |
| Apr | 2.70 | 2.95 | -0.25 |
| May | 1.73 | 2.08 | -0.35 |
| Jun | 1.02 | 1.01 | 0.01 |
| Jul | 0.04 | 0.10 | -0.06 |
| Aug | 0.11 | 0.15 | -0.04 |
| Sep | 0.44 | 0.41 | 0.03 |
| Oct | 2.00 | 1.83 | 0.17 |
| Nov | 3.97 | 4.12 | -0.15 |
| Dec | 7.41 | 7.54 | -0.13 |
40.39 | 39.73 | 0.66 |