| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.77 | 4.98 | -0.21 |
| Feb | 3.37 | 3.59 | -0.22 |
| Mar | 3.02 | 3.44 | -0.42 |
| Apr | 2.07 | 2.32 | -0.25 |
| May | 1.31 | 1.33 | -0.02 |
| Jun | 0.66 | 0.70 | -0.04 |
| Jul | 0.27 | 0.29 | -0.02 |
| Aug | 0.26 | 0.25 | 0.01 |
| Sep | 0.47 | 0.55 | -0.08 |
| Oct | 1.68 | 1.96 | -0.28 |
| Nov | 3.86 | 4.14 | -0.28 |
| Dec | 5.55 | 6.09 | -0.54 |
27.29 | 29.64 | -2.35 |