| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.83 | 6.07 | 0.76 |
| Feb | 5.21 | 4.63 | 0.58 |
| Mar | 5.82 | 5.05 | 0.77 |
| Apr | 4.81 | 3.89 | 0.92 |
| May | 3.38 | 2.82 | 0.56 |
| Jun | 2.25 | 1.80 | 0.45 |
| Jul | 0.49 | 0.40 | 0.09 |
| Aug | 0.60 | 0.49 | 0.11 |
| Sep | 1.96 | 1.65 | 0.31 |
| Oct | 4.46 | 3.84 | 0.62 |
| Nov | 7.12 | 6.39 | 0.73 |
| Dec | 7.89 | 7.18 | 0.71 |
50.82 | 44.21 | 6.61 |