| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.38 | -0.01 |
| Feb | 3.26 | 3.22 | 0.04 |
| Mar | 4.05 | 4.07 | -0.02 |
| Apr | 4.17 | 4.04 | 0.13 |
| May | 3.73 | 3.62 | 0.11 |
| Jun | 4.20 | 4.22 | -0.02 |
| Jul | 3.85 | 3.70 | 0.15 |
| Aug | 3.91 | 3.82 | 0.09 |
| Sep | 4.09 | 3.92 | 0.17 |
| Oct | 5.01 | 4.90 | 0.11 |
| Nov | 3.91 | 3.77 | 0.14 |
| Dec | 4.40 | 4.46 | -0.06 |
47.95 | 47.12 | 0.83 |