| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.68 | -0.08 |
| Feb | 0.83 | 0.77 | 0.06 |
| Mar | 1.73 | 1.62 | 0.11 |
| Apr | 2.60 | 2.27 | 0.33 |
| May | 2.39 | 2.46 | -0.07 |
| Jun | 1.92 | 2.07 | -0.15 |
| Jul | 2.45 | 2.92 | -0.47 |
| Aug | 2.48 | 2.75 | -0.27 |
| Sep | 1.73 | 1.69 | 0.04 |
| Oct | 1.22 | 1.09 | 0.13 |
| Nov | 0.82 | 0.75 | 0.07 |
| Dec | 0.63 | 0.77 | -0.14 |
19.40 | 19.84 | -0.44 |