| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.09 | 4.20 | -0.11 |
| Feb | 3.32 | 3.36 | -0.04 |
| Mar | 4.09 | 4.16 | -0.07 |
| Apr | 2.92 | 3.05 | -0.13 |
| May | 3.09 | 3.40 | -0.31 |
| Jun | 7.18 | 7.60 | -0.42 |
| Jul | 8.62 | 9.22 | -0.60 |
| Aug | 9.10 | 10.59 | -1.49 |
| Sep | 5.85 | 6.13 | -0.28 |
| Oct | 3.03 | 3.08 | -0.05 |
| Nov | 2.00 | 1.98 | 0.02 |
| Dec | 3.32 | 3.19 | 0.13 |
56.61 | 59.96 | -3.35 |