| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.35 | 1.12 | 0.23 |
| Feb | 1.19 | 1.00 | 0.19 |
| Mar | 1.27 | 1.52 | -0.25 |
| Apr | 1.05 | 1.33 | -0.28 |
| May | 1.17 | 1.30 | -0.13 |
| Jun | 0.94 | 0.87 | 0.07 |
| Jul | 2.56 | 2.35 | 0.21 |
| Aug | 2.71 | 2.72 | -0.01 |
| Sep | 1.94 | 1.74 | 0.20 |
| Oct | 1.49 | 1.46 | 0.03 |
| Nov | 1.23 | 1.27 | -0.04 |
| Dec | 1.25 | 1.23 | 0.02 |
18.15 | 17.91 | 0.24 |