| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.67 | -0.01 |
| Feb | 0.81 | 0.85 | -0.04 |
| Mar | 1.69 | 1.71 | -0.02 |
| Apr | 2.44 | 2.82 | -0.38 |
| May | 2.68 | 2.71 | -0.03 |
| Jun | 1.84 | 1.83 | 0.01 |
| Jul | 2.00 | 1.84 | 0.16 |
| Aug | 1.84 | 1.77 | 0.07 |
| Sep | 1.43 | 1.37 | 0.06 |
| Oct | 1.20 | 1.42 | -0.22 |
| Nov | 0.95 | 1.01 | -0.06 |
| Dec | 0.64 | 0.75 | -0.11 |
18.18 | 18.75 | -0.57 |