| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.36 | -0.04 |
| Feb | 1.66 | 1.71 | -0.05 |
| Mar | 2.01 | 2.00 | 0.01 |
| Apr | 1.63 | 1.66 | -0.03 |
| May | 1.74 | 1.74 | 0.00 |
| Jun | 1.31 | 1.37 | -0.06 |
| Jul | 0.52 | 0.54 | -0.02 |
| Aug | 0.42 | 0.44 | -0.02 |
| Sep | 0.63 | 0.61 | 0.02 |
| Oct | 1.58 | 1.59 | -0.01 |
| Nov | 2.37 | 2.44 | -0.07 |
| Dec | 2.51 | 2.57 | -0.06 |
18.70 | 19.03 | -0.33 |