| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 4.40 | -0.59 |
| Feb | 2.84 | 3.36 | -0.52 |
| Mar | 3.07 | 3.27 | -0.20 |
| Apr | 3.62 | 3.84 | -0.22 |
| May | 3.71 | 4.04 | -0.33 |
| Jun | 3.87 | 3.92 | -0.05 |
| Jul | 3.74 | 3.81 | -0.07 |
| Aug | 3.92 | 4.00 | -0.08 |
| Sep | 4.00 | 4.22 | -0.22 |
| Oct | 5.04 | 5.47 | -0.43 |
| Nov | 4.24 | 4.59 | -0.35 |
| Dec | 4.02 | 4.52 | -0.50 |
45.88 | 49.44 | -3.56 |