| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.49 | 6.00 | 0.49 |
| Feb | 4.96 | 4.74 | 0.22 |
| Mar | 5.37 | 5.00 | 0.37 |
| Apr | 4.73 | 4.47 | 0.26 |
| May | 3.22 | 3.23 | -0.01 |
| Jun | 1.84 | 1.88 | -0.04 |
| Jul | 0.38 | 0.38 | 0.00 |
| Aug | 0.52 | 0.49 | 0.03 |
| Sep | 1.57 | 1.57 | 0.00 |
| Oct | 3.86 | 3.65 | 0.21 |
| Nov | 6.80 | 6.43 | 0.37 |
| Dec | 7.77 | 7.04 | 0.73 |
47.51 | 44.88 | 2.63 |