| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.39 | 4.60 | -0.21 |
| Feb | 2.88 | 3.08 | -0.20 |
| Mar | 3.25 | 3.31 | -0.06 |
| Apr | 3.70 | 4.29 | -0.59 |
| May | 4.78 | 5.07 | -0.29 |
| Jun | 5.51 | 5.83 | -0.32 |
| Jul | 4.38 | 4.42 | -0.04 |
| Aug | 5.32 | 6.04 | -0.72 |
| Sep | 5.91 | 6.77 | -0.86 |
| Oct | 5.16 | 5.52 | -0.36 |
| Nov | 4.21 | 4.83 | -0.62 |
| Dec | 4.34 | 4.50 | -0.16 |
53.83 | 58.26 | -4.43 |