| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.69 | -0.01 |
| Feb | 0.68 | 0.64 | 0.04 |
| Mar | 1.07 | 1.12 | -0.05 |
| Apr | 1.29 | 1.28 | 0.01 |
| May | 2.63 | 2.52 | 0.11 |
| Jun | 2.64 | 2.57 | 0.07 |
| Jul | 2.07 | 2.04 | 0.03 |
| Aug | 1.96 | 1.89 | 0.07 |
| Sep | 2.66 | 2.48 | 0.18 |
| Oct | 1.50 | 1.55 | -0.05 |
| Nov | 0.83 | 0.85 | -0.02 |
| Dec | 0.76 | 0.78 | -0.02 |
18.77 | 18.41 | 0.36 |