| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.77 | 3.85 | -0.08 |
| Feb | 3.53 | 3.56 | -0.03 |
| Mar | 3.87 | 4.06 | -0.19 |
| Apr | 3.01 | 2.92 | 0.09 |
| May | 3.24 | 3.29 | -0.05 |
| Jun | 4.52 | 4.52 | 0.00 |
| Jul | 4.39 | 4.26 | 0.13 |
| Aug | 4.49 | 4.81 | -0.32 |
| Sep | 3.97 | 4.10 | -0.13 |
| Oct | 3.26 | 3.43 | -0.17 |
| Nov | 3.02 | 3.22 | -0.20 |
| Dec | 3.90 | 4.00 | -0.10 |
44.97 | 46.02 | -1.05 |