| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 13.33 | 21.87 | -8.54 |
| Feb | 11.15 | 18.28 | -7.13 |
| Mar | 9.59 | 17.62 | -8.03 |
| Apr | 5.45 | 7.88 | -2.43 |
| May | 2.28 | 3.66 | -1.38 |
| Jun | 0.69 | 1.01 | -0.32 |
| Jul | 0.08 | 0.09 | -0.01 |
| Aug | 0.13 | 0.12 | 0.01 |
| Sep | 0.57 | 0.79 | -0.22 |
| Oct | 3.78 | 5.26 | -1.48 |
| Nov | 8.66 | 11.76 | -3.10 |
| Dec | 14.98 | 24.23 | -9.25 |
70.69 | 112.57 | -41.88 |