| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.40 | 0.02 |
| Feb | 0.37 | 0.29 | 0.08 |
| Mar | 0.61 | 0.57 | 0.04 |
| Apr | 1.03 | 0.97 | 0.06 |
| May | 2.10 | 2.16 | -0.06 |
| Jun | 3.16 | 3.25 | -0.09 |
| Jul | 2.38 | 2.39 | -0.01 |
| Aug | 1.61 | 1.63 | -0.02 |
| Sep | 1.14 | 1.13 | 0.01 |
| Oct | 0.92 | 0.92 | 0.00 |
| Nov | 0.53 | 0.46 | 0.07 |
| Dec | 0.53 | 0.44 | 0.09 |
14.80 | 14.61 | 0.19 |