| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 2.14 | -0.12 |
| Feb | 1.89 | 2.04 | -0.15 |
| Mar | 2.57 | 2.70 | -0.13 |
| Apr | 2.44 | 2.46 | -0.02 |
| May | 4.65 | 4.90 | -0.25 |
| Jun | 3.46 | 3.59 | -0.13 |
| Jul | 2.18 | 2.60 | -0.42 |
| Aug | 2.37 | 2.53 | -0.16 |
| Sep | 3.63 | 3.92 | -0.29 |
| Oct | 3.48 | 3.81 | -0.33 |
| Nov | 2.45 | 2.77 | -0.32 |
| Dec | 1.92 | 2.29 | -0.37 |
33.06 | 35.75 | -2.69 |