| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.79 | 1.80 | -0.01 |
| Feb | 2.04 | 1.91 | 0.13 |
| Mar | 1.60 | 1.47 | 0.13 |
| Apr | 0.60 | 0.62 | -0.02 |
| May | 0.55 | 0.48 | 0.07 |
| Jun | 0.31 | 0.27 | 0.04 |
| Jul | 2.37 | 2.81 | -0.44 |
| Aug | 3.04 | 2.83 | 0.21 |
| Sep | 1.66 | 1.81 | -0.15 |
| Oct | 1.04 | 1.05 | -0.01 |
| Nov | 0.99 | 0.84 | 0.15 |
| Dec | 1.63 | 1.52 | 0.11 |
17.62 | 17.41 | 0.21 |