| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.50 | -0.09 |
| Feb | 0.47 | 0.66 | -0.19 |
| Mar | 0.83 | 0.98 | -0.15 |
| Apr | 1.21 | 1.44 | -0.23 |
| May | 1.43 | 1.56 | -0.13 |
| Jun | 1.07 | 1.12 | -0.05 |
| Jul | 2.35 | 2.67 | -0.32 |
| Aug | 2.26 | 2.82 | -0.56 |
| Sep | 1.21 | 1.37 | -0.16 |
| Oct | 0.79 | 0.83 | -0.04 |
| Nov | 0.46 | 0.67 | -0.21 |
| Dec | 0.43 | 0.58 | -0.15 |
12.92 | 15.20 | -2.28 |