| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.99 | 5.22 | -0.23 |
| Feb | 5.08 | 5.24 | -0.16 |
| Mar | 5.26 | 5.41 | -0.15 |
| Apr | 5.02 | 5.17 | -0.15 |
| May | 4.57 | 4.82 | -0.25 |
| Jun | 4.31 | 4.68 | -0.37 |
| Jul | 4.87 | 4.88 | -0.01 |
| Aug | 4.41 | 4.12 | 0.29 |
| Sep | 3.62 | 3.95 | -0.33 |
| Oct | 3.75 | 3.66 | 0.09 |
| Nov | 4.13 | 4.11 | 0.02 |
| Dec | 5.77 | 6.04 | -0.27 |
55.78 | 57.30 | -1.52 |