| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.28 | -0.11 |
| Feb | 3.68 | 3.83 | -0.15 |
| Mar | 4.25 | 4.40 | -0.15 |
| Apr | 3.12 | 3.30 | -0.18 |
| May | 3.34 | 3.30 | 0.04 |
| Jun | 4.83 | 5.09 | -0.26 |
| Jul | 4.86 | 4.83 | 0.03 |
| Aug | 4.83 | 4.97 | -0.14 |
| Sep | 3.90 | 4.08 | -0.18 |
| Oct | 2.85 | 2.87 | -0.02 |
| Nov | 3.01 | 3.17 | -0.16 |
| Dec | 4.22 | 4.22 | 0.00 |
47.06 | 48.34 | -1.28 |