| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.67 | -0.02 |
| Feb | 0.64 | 0.62 | 0.02 |
| Mar | 1.07 | 1.17 | -0.10 |
| Apr | 1.23 | 1.19 | 0.04 |
| May | 2.71 | 2.60 | 0.11 |
| Jun | 2.60 | 2.70 | -0.10 |
| Jul | 2.01 | 1.89 | 0.12 |
| Aug | 1.94 | 1.98 | -0.04 |
| Sep | 2.42 | 2.37 | 0.05 |
| Oct | 1.47 | 1.65 | -0.18 |
| Nov | 0.75 | 0.89 | -0.14 |
| Dec | 0.74 | 0.77 | -0.03 |
18.23 | 18.50 | -0.27 |