| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.21 | -0.04 |
| Feb | 3.69 | 3.80 | -0.11 |
| Mar | 4.21 | 4.33 | -0.12 |
| Apr | 3.21 | 3.27 | -0.06 |
| May | 3.28 | 3.31 | -0.03 |
| Jun | 4.99 | 5.12 | -0.13 |
| Jul | 4.95 | 4.85 | 0.10 |
| Aug | 4.80 | 5.00 | -0.20 |
| Sep | 4.02 | 4.12 | -0.10 |
| Oct | 2.95 | 2.96 | -0.01 |
| Nov | 3.08 | 3.15 | -0.07 |
| Dec | 4.22 | 4.12 | 0.10 |
47.57 | 48.24 | -0.67 |