| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.43 | -0.01 |
| Feb | 0.37 | 0.36 | 0.01 |
| Mar | 1.09 | 1.09 | 0.00 |
| Apr | 1.50 | 1.54 | -0.04 |
| May | 2.07 | 2.16 | -0.09 |
| Jun | 2.79 | 2.92 | -0.13 |
| Jul | 2.82 | 2.79 | 0.03 |
| Aug | 2.97 | 2.94 | 0.03 |
| Sep | 1.43 | 1.42 | 0.01 |
| Oct | 1.66 | 1.66 | 0.00 |
| Nov | 0.52 | 0.55 | -0.03 |
| Dec | 0.69 | 0.75 | -0.06 |
18.33 | 18.61 | -0.28 |