| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.77 | -0.63 |
| Feb | 2.57 | 3.38 | -0.81 |
| Mar | 3.08 | 3.88 | -0.80 |
| Apr | 3.49 | 4.09 | -0.60 |
| May | 3.91 | 4.26 | -0.35 |
| Jun | 4.66 | 4.73 | -0.07 |
| Jul | 4.53 | 4.66 | -0.13 |
| Aug | 4.27 | 4.77 | -0.50 |
| Sep | 3.79 | 4.08 | -0.29 |
| Oct | 4.44 | 5.05 | -0.61 |
| Nov | 3.52 | 3.93 | -0.41 |
| Dec | 3.81 | 4.96 | -1.15 |
45.21 | 51.56 | -6.35 |