| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.34 | 0.40 | -0.06 |
| Feb | 0.38 | 0.45 | -0.07 |
| Mar | 0.92 | 1.07 | -0.15 |
| Apr | 1.83 | 1.89 | -0.06 |
| May | 2.36 | 2.62 | -0.26 |
| Jun | 1.74 | 1.50 | 0.24 |
| Jul | 1.50 | 1.40 | 0.10 |
| Aug | 1.37 | 1.30 | 0.07 |
| Sep | 1.22 | 1.27 | -0.05 |
| Oct | 1.05 | 1.10 | -0.05 |
| Nov | 0.65 | 0.69 | -0.04 |
| Dec | 0.38 | 0.47 | -0.09 |
13.74 | 14.16 | -0.42 |