| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.10 | -0.01 |
| Feb | 0.83 | 0.89 | -0.06 |
| Mar | 0.63 | 0.71 | -0.08 |
| Apr | 0.24 | 0.28 | -0.04 |
| May | 0.20 | 0.25 | -0.05 |
| Jun | 0.59 | 0.97 | -0.38 |
| Jul | 3.92 | 4.08 | -0.16 |
| Aug | 3.64 | 4.30 | -0.66 |
| Sep | 1.71 | 1.73 | -0.02 |
| Oct | 0.73 | 0.96 | -0.23 |
| Nov | 0.67 | 0.83 | -0.16 |
| Dec | 1.00 | 1.19 | -0.19 |
15.25 | 17.29 | -2.04 |