| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.70 | 5.44 | -0.74 |
| Feb | 4.29 | 4.52 | -0.23 |
| Mar | 5.00 | 5.13 | -0.13 |
| Apr | 4.98 | 5.68 | -0.70 |
| May | 3.96 | 4.29 | -0.33 |
| Jun | 6.00 | 6.67 | -0.67 |
| Jul | 7.50 | 7.89 | -0.39 |
| Aug | 6.59 | 7.07 | -0.48 |
| Sep | 6.48 | 6.43 | 0.05 |
| Oct | 4.22 | 4.15 | 0.07 |
| Nov | 4.11 | 4.16 | -0.05 |
| Dec | 4.92 | 5.01 | -0.09 |
62.75 | 66.44 | -3.69 |