| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.21 | -0.14 |
| Feb | 0.72 | 0.83 | -0.11 |
| Mar | 0.96 | 0.98 | -0.02 |
| Apr | 0.95 | 0.99 | -0.04 |
| May | 1.19 | 1.17 | 0.02 |
| Jun | 0.74 | 0.72 | 0.02 |
| Jul | 0.25 | 0.24 | 0.01 |
| Aug | 0.18 | 0.17 | 0.01 |
| Sep | 0.39 | 0.37 | 0.02 |
| Oct | 0.70 | 0.74 | -0.04 |
| Nov | 0.87 | 0.93 | -0.06 |
| Dec | 1.09 | 1.20 | -0.11 |
9.11 | 9.55 | -0.44 |