| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.17 | 5.02 | 0.15 |
| Feb | 5.35 | 5.22 | 0.13 |
| Mar | 5.59 | 5.59 | 0.00 |
| Apr | 5.26 | 4.98 | 0.28 |
| May | 4.81 | 4.76 | 0.05 |
| Jun | 4.79 | 4.89 | -0.10 |
| Jul | 4.71 | 4.82 | -0.11 |
| Aug | 4.10 | 4.22 | -0.12 |
| Sep | 3.97 | 4.14 | -0.17 |
| Oct | 3.80 | 3.71 | 0.09 |
| Nov | 4.34 | 4.11 | 0.23 |
| Dec | 6.30 | 6.13 | 0.17 |
58.19 | 57.59 | 0.60 |