| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.73 | 11.81 | -0.08 |
| Feb | 8.92 | 9.69 | -0.77 |
| Mar | 9.43 | 10.29 | -0.86 |
| Apr | 6.39 | 7.10 | -0.71 |
| May | 3.39 | 3.44 | -0.05 |
| Jun | 1.58 | 1.74 | -0.16 |
| Jul | 0.27 | 0.28 | -0.01 |
| Aug | 0.37 | 0.39 | -0.02 |
| Sep | 1.24 | 1.37 | -0.13 |
| Oct | 4.74 | 5.05 | -0.31 |
| Nov | 9.13 | 9.81 | -0.68 |
| Dec | 13.47 | 14.34 | -0.87 |
70.66 | 75.31 | -4.65 |