| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.57 | 10.57 | 0.00 |
| Feb | 7.72 | 8.38 | -0.66 |
| Mar | 8.11 | 8.33 | -0.22 |
| Apr | 5.79 | 5.98 | -0.19 |
| May | 3.40 | 3.64 | -0.24 |
| Jun | 2.24 | 2.55 | -0.31 |
| Jul | 0.51 | 0.64 | -0.13 |
| Aug | 0.66 | 0.76 | -0.10 |
| Sep | 2.01 | 2.19 | -0.18 |
| Oct | 5.56 | 5.53 | 0.03 |
| Nov | 9.92 | 10.26 | -0.34 |
| Dec | 11.78 | 12.60 | -0.82 |
68.27 | 71.43 | -3.16 |