| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.40 | 0.01 |
| Feb | 0.37 | 0.42 | -0.05 |
| Mar | 0.80 | 0.79 | 0.01 |
| Apr | 0.96 | 0.84 | 0.12 |
| May | 1.29 | 1.48 | -0.19 |
| Jun | 1.64 | 1.83 | -0.19 |
| Jul | 2.50 | 2.81 | -0.31 |
| Aug | 2.47 | 2.76 | -0.29 |
| Sep | 1.97 | 2.08 | -0.11 |
| Oct | 1.39 | 1.48 | -0.09 |
| Nov | 0.48 | 0.54 | -0.06 |
| Dec | 0.59 | 0.67 | -0.08 |
14.87 | 16.10 | -1.23 |