| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.98 | -0.17 |
| Feb | 2.45 | 2.85 | -0.40 |
| Mar | 2.13 | 2.23 | -0.10 |
| Apr | 0.96 | 0.99 | -0.03 |
| May | 0.44 | 0.43 | 0.01 |
| Jun | 0.07 | 0.07 | 0.00 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.01 | 0.01 | 0.00 |
| Sep | 0.04 | 0.05 | -0.01 |
| Oct | 0.61 | 0.61 | 0.00 |
| Nov | 1.24 | 1.30 | -0.06 |
| Dec | 2.20 | 2.46 | -0.26 |
12.97 | 13.98 | -1.01 |