| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.41 | -0.04 |
| Feb | 0.19 | 0.33 | -0.14 |
| Mar | 0.32 | 0.48 | -0.16 |
| Apr | 0.85 | 1.01 | -0.16 |
| May | 2.03 | 1.96 | 0.07 |
| Jun | 3.04 | 2.84 | 0.20 |
| Jul | 1.80 | 1.66 | 0.14 |
| Aug | 1.20 | 1.31 | -0.11 |
| Sep | 1.01 | 0.94 | 0.07 |
| Oct | 0.86 | 0.94 | -0.08 |
| Nov | 0.31 | 0.46 | -0.15 |
| Dec | 0.25 | 0.39 | -0.14 |
12.23 | 12.73 | -0.50 |