| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.88 | -0.04 |
| Feb | 1.22 | 1.30 | -0.08 |
| Mar | 2.26 | 2.31 | -0.05 |
| Apr | 3.69 | 3.76 | -0.07 |
| May | 5.04 | 5.46 | -0.42 |
| Jun | 4.83 | 5.03 | -0.20 |
| Jul | 4.30 | 4.37 | -0.07 |
| Aug | 4.31 | 4.29 | 0.02 |
| Sep | 3.55 | 3.61 | -0.06 |
| Oct | 2.84 | 3.09 | -0.25 |
| Nov | 1.87 | 1.94 | -0.07 |
| Dec | 1.48 | 1.55 | -0.07 |
36.23 | 37.59 | -1.36 |