| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.67 | 12.52 | -2.85 |
| Feb | 9.25 | 11.48 | -2.23 |
| Mar | 8.18 | 11.07 | -2.89 |
| Apr | 4.48 | 6.16 | -1.68 |
| May | 2.79 | 4.35 | -1.56 |
| Jun | 0.95 | 1.19 | -0.24 |
| Jul | 0.20 | 0.20 | 0.00 |
| Aug | 0.34 | 0.50 | -0.16 |
| Sep | 0.77 | 0.81 | -0.04 |
| Oct | 3.25 | 3.93 | -0.68 |
| Nov | 5.70 | 6.68 | -0.98 |
| Dec | 10.13 | 13.03 | -2.90 |
55.71 | 71.92 | -16.21 |