| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.57 | -0.27 |
| Feb | 3.11 | 3.34 | -0.23 |
| Mar | 3.39 | 3.47 | -0.08 |
| Apr | 3.23 | 3.42 | -0.19 |
| May | 3.70 | 3.67 | 0.03 |
| Jun | 4.93 | 4.93 | 0.00 |
| Jul | 5.12 | 4.99 | 0.13 |
| Aug | 5.75 | 5.52 | 0.23 |
| Sep | 5.55 | 5.36 | 0.19 |
| Oct | 3.10 | 3.24 | -0.14 |
| Nov | 3.11 | 3.22 | -0.11 |
| Dec | 3.37 | 3.49 | -0.12 |
47.66 | 48.22 | -0.56 |