| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.73 | -0.06 |
| Feb | 0.72 | 0.82 | -0.10 |
| Mar | 1.58 | 1.66 | -0.08 |
| Apr | 2.34 | 2.78 | -0.44 |
| May | 2.20 | 2.23 | -0.03 |
| Jun | 1.79 | 1.75 | 0.04 |
| Jul | 2.24 | 2.34 | -0.10 |
| Aug | 2.10 | 2.32 | -0.22 |
| Sep | 1.37 | 1.39 | -0.02 |
| Oct | 1.11 | 1.24 | -0.13 |
| Nov | 0.83 | 1.00 | -0.17 |
| Dec | 0.68 | 0.83 | -0.15 |
17.63 | 19.09 | -1.46 |