| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.06 | 4.11 | -0.05 |
| Feb | 4.37 | 4.39 | -0.02 |
| Mar | 5.23 | 5.33 | -0.10 |
| Apr | 5.54 | 5.75 | -0.21 |
| May | 6.09 | 6.27 | -0.18 |
| Jun | 4.20 | 4.17 | 0.03 |
| Jul | 4.42 | 4.55 | -0.13 |
| Aug | 3.36 | 3.58 | -0.22 |
| Sep | 3.98 | 3.89 | 0.09 |
| Oct | 4.93 | 4.84 | 0.09 |
| Nov | 4.71 | 4.70 | 0.01 |
| Dec | 5.29 | 5.20 | 0.09 |
56.18 | 56.78 | -0.60 |