| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.63 | 0.05 |
| Feb | 1.25 | 1.12 | 0.13 |
| Mar | 1.78 | 1.70 | 0.08 |
| Apr | 2.85 | 2.82 | 0.03 |
| May | 3.10 | 3.10 | 0.00 |
| Jun | 3.23 | 3.16 | 0.07 |
| Jul | 3.29 | 2.98 | 0.31 |
| Aug | 2.98 | 2.85 | 0.13 |
| Sep | 3.36 | 3.22 | 0.14 |
| Oct | 3.42 | 3.39 | 0.03 |
| Nov | 2.35 | 2.29 | 0.06 |
| Dec | 1.99 | 1.78 | 0.21 |
31.28 | 30.04 | 1.24 |