| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.91 | -0.24 |
| Feb | 1.37 | 1.58 | -0.21 |
| Mar | 1.95 | 1.96 | -0.01 |
| Apr | 2.04 | 2.00 | 0.04 |
| May | 2.24 | 2.35 | -0.11 |
| Jun | 1.25 | 1.19 | 0.06 |
| Jul | 0.55 | 0.52 | 0.03 |
| Aug | 0.70 | 0.65 | 0.05 |
| Sep | 1.24 | 1.22 | 0.02 |
| Oct | 1.67 | 1.68 | -0.01 |
| Nov | 1.26 | 1.27 | -0.01 |
| Dec | 1.49 | 1.50 | -0.01 |
17.43 | 17.83 | -0.40 |