| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.52 | -0.03 |
| Feb | 0.33 | 0.37 | -0.04 |
| Mar | 0.96 | 0.97 | -0.01 |
| Apr | 1.21 | 1.21 | 0.00 |
| May | 1.81 | 1.99 | -0.18 |
| Jun | 2.40 | 2.50 | -0.10 |
| Jul | 2.57 | 2.46 | 0.11 |
| Aug | 2.61 | 2.66 | -0.05 |
| Sep | 1.29 | 1.44 | -0.15 |
| Oct | 1.61 | 1.78 | -0.17 |
| Nov | 0.54 | 0.56 | -0.02 |
| Dec | 0.70 | 0.70 | 0.00 |
16.52 | 17.16 | -0.64 |