| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.91 | -0.16 |
| Feb | 0.97 | 1.01 | -0.04 |
| Mar | 1.89 | 2.44 | -0.55 |
| Apr | 2.63 | 2.92 | -0.29 |
| May | 2.46 | 2.93 | -0.47 |
| Jun | 1.85 | 2.24 | -0.39 |
| Jul | 2.45 | 2.89 | -0.44 |
| Aug | 2.43 | 2.79 | -0.36 |
| Sep | 1.64 | 1.79 | -0.15 |
| Oct | 1.34 | 1.37 | -0.03 |
| Nov | 0.89 | 1.05 | -0.16 |
| Dec | 0.75 | 0.94 | -0.19 |
20.05 | 23.28 | -3.23 |