| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.77 | 3.86 | -0.09 |
| Feb | 3.53 | 3.57 | -0.04 |
| Mar | 3.87 | 4.07 | -0.20 |
| Apr | 3.01 | 2.93 | 0.08 |
| May | 3.24 | 3.30 | -0.06 |
| Jun | 4.52 | 4.56 | -0.04 |
| Jul | 4.39 | 4.29 | 0.10 |
| Aug | 4.49 | 4.83 | -0.34 |
| Sep | 3.97 | 4.12 | -0.15 |
| Oct | 3.26 | 3.44 | -0.18 |
| Nov | 3.02 | 3.23 | -0.21 |
| Dec | 3.90 | 4.00 | -0.10 |
44.97 | 46.20 | -1.23 |