| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.23 | 0.04 |
| Feb | 1.62 | 1.57 | 0.05 |
| Mar | 1.98 | 1.95 | 0.03 |
| Apr | 1.48 | 1.39 | 0.09 |
| May | 1.74 | 1.63 | 0.11 |
| Jun | 1.38 | 1.34 | 0.04 |
| Jul | 0.52 | 0.45 | 0.07 |
| Aug | 0.48 | 0.47 | 0.01 |
| Sep | 0.65 | 0.60 | 0.05 |
| Oct | 1.52 | 1.62 | -0.10 |
| Nov | 2.22 | 2.34 | -0.12 |
| Dec | 2.59 | 2.81 | -0.22 |
18.45 | 18.40 | 0.05 |