| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.32 | 0.34 | -0.02 |
| Feb | 0.32 | 0.31 | 0.01 |
| Mar | 0.47 | 0.50 | -0.03 |
| Apr | 1.11 | 1.20 | -0.09 |
| May | 2.39 | 2.33 | 0.06 |
| Jun | 2.80 | 2.97 | -0.17 |
| Jul | 2.07 | 2.26 | -0.19 |
| Aug | 1.39 | 1.49 | -0.10 |
| Sep | 1.18 | 1.31 | -0.13 |
| Oct | 1.03 | 0.98 | 0.05 |
| Nov | 0.40 | 0.44 | -0.04 |
| Dec | 0.33 | 0.33 | 0.00 |
13.81 | 14.46 | -0.65 |