| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 15.39 | 17.54 | -2.15 |
| Feb | 10.87 | 15.13 | -4.26 |
| Mar | 11.58 | 14.17 | -2.59 |
| Apr | 8.40 | 9.07 | -0.67 |
| May | 4.99 | 5.57 | -0.58 |
| Jun | 3.25 | 4.28 | -1.03 |
| Jul | 0.94 | 0.81 | 0.13 |
| Aug | 1.22 | 1.16 | 0.06 |
| Sep | 3.66 | 4.23 | -0.57 |
| Oct | 9.41 | 10.68 | -1.27 |
| Nov | 15.32 | 19.90 | -4.58 |
| Dec | 17.40 | 20.96 | -3.56 |
102.43 | 123.50 | -21.07 |