| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.82 | 4.90 | -0.08 |
| Feb | 3.97 | 4.15 | -0.18 |
| Mar | 4.26 | 4.31 | -0.05 |
| Apr | 4.07 | 4.25 | -0.18 |
| May | 4.95 | 4.77 | 0.18 |
| Jun | 4.99 | 5.25 | -0.26 |
| Jul | 4.22 | 3.93 | 0.29 |
| Aug | 4.53 | 4.73 | -0.20 |
| Sep | 4.34 | 4.53 | -0.19 |
| Oct | 5.39 | 5.12 | 0.27 |
| Nov | 4.73 | 4.88 | -0.15 |
| Dec | 5.14 | 5.25 | -0.11 |
55.41 | 56.07 | -0.66 |