| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.50 | -0.11 |
| Feb | 3.21 | 3.26 | -0.05 |
| Mar | 3.61 | 3.65 | -0.04 |
| Apr | 3.35 | 3.37 | -0.02 |
| May | 3.54 | 3.51 | 0.03 |
| Jun | 5.29 | 5.33 | -0.04 |
| Jul | 6.38 | 6.49 | -0.11 |
| Aug | 6.81 | 7.00 | -0.19 |
| Sep | 6.07 | 6.83 | -0.76 |
| Oct | 4.76 | 4.95 | -0.19 |
| Nov | 3.16 | 2.97 | 0.19 |
| Dec | 3.74 | 3.77 | -0.03 |
53.31 | 54.63 | -1.32 |