| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.93 | -0.23 |
| Feb | 3.34 | 3.50 | -0.16 |
| Mar | 4.82 | 5.11 | -0.29 |
| Apr | 4.22 | 4.51 | -0.29 |
| May | 3.38 | 3.33 | 0.05 |
| Jun | 3.53 | 3.51 | 0.02 |
| Jul | 3.07 | 3.07 | 0.00 |
| Aug | 3.61 | 3.42 | 0.19 |
| Sep | 3.81 | 3.59 | 0.22 |
| Oct | 4.40 | 4.38 | 0.02 |
| Nov | 3.92 | 3.92 | 0.00 |
| Dec | 4.54 | 4.75 | -0.21 |
46.34 | 47.02 | -0.68 |