| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.09 | 6.59 | -0.50 |
| Feb | 5.88 | 5.54 | 0.34 |
| Mar | 5.30 | 4.84 | 0.46 |
| Apr | 2.37 | 2.50 | -0.13 |
| May | 1.47 | 1.75 | -0.28 |
| Jun | 0.84 | 0.95 | -0.11 |
| Jul | 0.05 | 0.07 | -0.02 |
| Aug | 0.10 | 0.13 | -0.03 |
| Sep | 0.39 | 0.40 | -0.01 |
| Oct | 1.75 | 1.76 | -0.01 |
| Nov | 3.50 | 3.89 | -0.39 |
| Dec | 6.29 | 6.83 | -0.54 |
34.03 | 35.25 | -1.22 |