| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 13.79 | 15.80 | -2.01 |
| Feb | 9.01 | 9.34 | -0.33 |
| Mar | 10.19 | 10.65 | -0.46 |
| Apr | 7.38 | 7.48 | -0.10 |
| May | 4.30 | 4.11 | 0.19 |
| Jun | 3.13 | 3.34 | -0.21 |
| Jul | 1.05 | 1.01 | 0.04 |
| Aug | 1.52 | 1.64 | -0.12 |
| Sep | 3.63 | 3.73 | -0.10 |
| Oct | 8.73 | 9.42 | -0.69 |
| Nov | 13.57 | 14.64 | -1.07 |
| Dec | 13.97 | 15.58 | -1.61 |
90.27 | 96.74 | -6.47 |