| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.09 | 1.13 | -0.04 |
| Feb | 1.05 | 1.06 | -0.01 |
| Mar | 0.78 | 0.79 | -0.01 |
| Apr | 0.27 | 0.29 | -0.02 |
| May | 0.18 | 0.18 | 0.00 |
| Jun | 0.23 | 0.29 | -0.06 |
| Jul | 2.04 | 1.87 | 0.17 |
| Aug | 2.22 | 2.47 | -0.25 |
| Sep | 1.29 | 1.24 | 0.05 |
| Oct | 0.62 | 0.72 | -0.10 |
| Nov | 0.72 | 0.64 | 0.08 |
| Dec | 1.25 | 1.23 | 0.02 |
11.74 | 11.91 | -0.17 |