| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 3.34 | -0.50 |
| Feb | 2.73 | 2.74 | -0.01 |
| Mar | 2.23 | 2.61 | -0.38 |
| Apr | 1.32 | 1.51 | -0.19 |
| May | 0.69 | 0.76 | -0.07 |
| Jun | 0.11 | 0.19 | -0.08 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.01 | 0.02 | -0.01 |
| Sep | 0.05 | 0.06 | -0.01 |
| Oct | 0.81 | 0.81 | 0.00 |
| Nov | 1.38 | 1.46 | -0.08 |
| Dec | 2.63 | 3.00 | -0.37 |
14.81 | 16.51 | -1.70 |