| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.46 | -0.39 |
| Feb | 2.41 | 3.01 | -0.60 |
| Mar | 2.99 | 3.59 | -0.60 |
| Apr | 3.35 | 3.77 | -0.42 |
| May | 3.80 | 4.14 | -0.34 |
| Jun | 4.64 | 4.69 | -0.05 |
| Jul | 4.50 | 4.79 | -0.29 |
| Aug | 4.28 | 4.34 | -0.06 |
| Sep | 3.74 | 3.97 | -0.23 |
| Oct | 4.26 | 4.84 | -0.58 |
| Nov | 3.35 | 3.63 | -0.28 |
| Dec | 3.65 | 4.42 | -0.77 |
44.04 | 48.65 | -4.61 |