| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.60 | -0.04 |
| Feb | 0.64 | 0.69 | -0.05 |
| Mar | 1.32 | 1.36 | -0.04 |
| Apr | 2.15 | 2.48 | -0.33 |
| May | 2.35 | 2.29 | 0.06 |
| Jun | 2.13 | 2.18 | -0.05 |
| Jul | 3.38 | 2.96 | 0.42 |
| Aug | 2.95 | 3.46 | -0.51 |
| Sep | 1.46 | 1.87 | -0.41 |
| Oct | 1.05 | 1.02 | 0.03 |
| Nov | 0.73 | 0.81 | -0.08 |
| Dec | 0.55 | 0.62 | -0.07 |
19.27 | 20.34 | -1.07 |