| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.78 | 8.15 | -0.37 |
| Feb | 5.59 | 6.06 | -0.47 |
| Mar | 5.42 | 5.66 | -0.24 |
| Apr | 3.72 | 3.98 | -0.26 |
| May | 2.09 | 2.31 | -0.22 |
| Jun | 1.16 | 1.36 | -0.20 |
| Jul | 0.24 | 0.29 | -0.05 |
| Aug | 0.40 | 0.43 | -0.03 |
| Sep | 1.33 | 1.42 | -0.09 |
| Oct | 3.76 | 3.96 | -0.20 |
| Nov | 7.27 | 7.57 | -0.30 |
| Dec | 9.30 | 9.63 | -0.33 |
48.06 | 50.82 | -2.76 |