| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 1.97 | 0.05 |
| Feb | 1.81 | 1.84 | -0.03 |
| Mar | 2.45 | 2.42 | 0.03 |
| Apr | 2.40 | 2.45 | -0.05 |
| May | 3.90 | 3.63 | 0.27 |
| Jun | 3.28 | 3.22 | 0.06 |
| Jul | 2.22 | 2.40 | -0.18 |
| Aug | 2.36 | 2.24 | 0.12 |
| Sep | 3.62 | 3.58 | 0.04 |
| Oct | 3.31 | 3.60 | -0.29 |
| Nov | 2.30 | 2.52 | -0.22 |
| Dec | 2.00 | 2.22 | -0.22 |
31.67 | 32.09 | -0.42 |