| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.98 | 5.38 | -0.40 |
| Feb | 5.12 | 5.44 | -0.32 |
| Mar | 5.42 | 5.49 | -0.07 |
| Apr | 5.09 | 5.38 | -0.29 |
| May | 4.22 | 4.59 | -0.37 |
| Jun | 4.66 | 4.84 | -0.18 |
| Jul | 4.99 | 5.80 | -0.81 |
| Aug | 3.72 | 3.76 | -0.04 |
| Sep | 4.28 | 4.30 | -0.02 |
| Oct | 3.38 | 3.21 | 0.17 |
| Nov | 4.69 | 4.48 | 0.21 |
| Dec | 6.16 | 5.91 | 0.25 |
56.71 | 58.58 | -1.87 |