| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.46 | 0.03 |
| Feb | 0.45 | 0.48 | -0.03 |
| Mar | 0.75 | 0.77 | -0.02 |
| Apr | 1.22 | 1.24 | -0.02 |
| May | 2.62 | 2.65 | -0.03 |
| Jun | 3.40 | 3.47 | -0.07 |
| Jul | 2.97 | 3.15 | -0.18 |
| Aug | 2.21 | 2.38 | -0.17 |
| Sep | 1.66 | 1.82 | -0.16 |
| Oct | 1.38 | 1.49 | -0.11 |
| Nov | 0.63 | 0.68 | -0.05 |
| Dec | 0.62 | 0.64 | -0.02 |
18.40 | 19.23 | -0.83 |