| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.76 | 10.44 | -0.68 |
| Feb | 8.35 | 8.47 | -0.12 |
| Mar | 7.29 | 8.36 | -1.07 |
| Apr | 3.87 | 4.52 | -0.65 |
| May | 2.02 | 2.07 | -0.05 |
| Jun | 0.61 | 0.74 | -0.13 |
| Jul | 0.04 | 0.10 | -0.06 |
| Aug | 0.16 | 0.12 | 0.04 |
| Sep | 0.35 | 0.47 | -0.12 |
| Oct | 2.67 | 2.93 | -0.26 |
| Nov | 5.50 | 6.53 | -1.03 |
| Dec | 10.66 | 11.32 | -0.66 |
51.28 | 56.07 | -4.79 |