| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 2.95 | -0.08 |
| Feb | 2.45 | 2.39 | 0.06 |
| Mar | 3.25 | 3.23 | 0.02 |
| Apr | 2.42 | 2.59 | -0.17 |
| May | 3.31 | 3.28 | 0.03 |
| Jun | 7.66 | 7.49 | 0.17 |
| Jul | 7.33 | 7.19 | 0.14 |
| Aug | 7.52 | 7.90 | -0.38 |
| Sep | 6.04 | 6.17 | -0.13 |
| Oct | 2.76 | 2.87 | -0.11 |
| Nov | 1.98 | 2.00 | -0.02 |
| Dec | 2.31 | 2.41 | -0.10 |
49.90 | 50.47 | -0.57 |