| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.43 | 0.47 | -0.04 |
| Feb | 0.55 | 0.59 | -0.04 |
| Mar | 0.89 | 0.96 | -0.07 |
| Apr | 1.76 | 1.87 | -0.11 |
| May | 3.50 | 3.11 | 0.39 |
| Jun | 3.08 | 2.92 | 0.16 |
| Jul | 2.33 | 2.33 | 0.00 |
| Aug | 1.47 | 1.63 | -0.16 |
| Sep | 1.16 | 1.09 | 0.07 |
| Oct | 1.43 | 1.39 | 0.04 |
| Nov | 0.57 | 0.50 | 0.07 |
| Dec | 0.51 | 0.56 | -0.05 |
17.68 | 17.42 | 0.26 |