| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 5.44 | -0.65 |
| Feb | 4.31 | 4.53 | -0.22 |
| Mar | 5.04 | 5.17 | -0.13 |
| Apr | 5.00 | 5.68 | -0.68 |
| May | 4.00 | 4.34 | -0.34 |
| Jun | 6.07 | 6.75 | -0.68 |
| Jul | 7.62 | 8.00 | -0.38 |
| Aug | 6.66 | 7.05 | -0.39 |
| Sep | 6.40 | 6.42 | -0.02 |
| Oct | 4.21 | 4.20 | 0.01 |
| Nov | 4.19 | 4.28 | -0.09 |
| Dec | 4.97 | 5.07 | -0.10 |
63.26 | 66.93 | -3.67 |