| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 2.97 | -0.01 |
| Feb | 3.00 | 2.56 | 0.44 |
| Mar | 2.54 | 2.36 | 0.18 |
| Apr | 1.54 | 1.12 | 0.42 |
| May | 1.18 | 0.99 | 0.19 |
| Jun | 0.68 | 0.59 | 0.09 |
| Jul | 0.26 | 0.30 | -0.04 |
| Aug | 0.21 | 0.18 | 0.03 |
| Sep | 0.26 | 0.27 | -0.01 |
| Oct | 1.12 | 1.01 | 0.11 |
| Nov | 1.61 | 1.73 | -0.12 |
| Dec | 3.57 | 3.40 | 0.17 |
18.93 | 17.48 | 1.45 |