| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.60 | 0.06 |
| Feb | 0.63 | 0.61 | 0.02 |
| Mar | 1.26 | 1.22 | 0.04 |
| Apr | 2.31 | 2.30 | 0.01 |
| May | 3.29 | 3.23 | 0.06 |
| Jun | 4.35 | 4.39 | -0.04 |
| Jul | 4.37 | 4.19 | 0.18 |
| Aug | 3.61 | 3.52 | 0.09 |
| Sep | 2.89 | 2.88 | 0.01 |
| Oct | 2.59 | 2.55 | 0.04 |
| Nov | 1.13 | 1.08 | 0.05 |
| Dec | 0.78 | 0.84 | -0.06 |
27.87 | 27.41 | 0.46 |