| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.59 | -0.09 |
| Feb | 3.48 | 3.48 | 0.00 |
| Mar | 4.43 | 4.49 | -0.06 |
| Apr | 4.83 | 4.99 | -0.16 |
| May | 4.97 | 5.20 | -0.23 |
| Jun | 4.12 | 4.51 | -0.39 |
| Jul | 4.29 | 4.27 | 0.02 |
| Aug | 2.91 | 2.97 | -0.06 |
| Sep | 3.44 | 3.50 | -0.06 |
| Oct | 3.49 | 3.57 | -0.08 |
| Nov | 3.81 | 3.84 | -0.03 |
| Dec | 4.17 | 4.19 | -0.02 |
47.44 | 48.60 | -1.16 |