| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.72 | -0.02 |
| Feb | 1.64 | 1.66 | -0.02 |
| Mar | 2.08 | 2.03 | 0.05 |
| Apr | 3.63 | 3.70 | -0.07 |
| May | 3.94 | 4.01 | -0.07 |
| Jun | 4.60 | 4.57 | 0.03 |
| Jul | 3.61 | 3.60 | 0.01 |
| Aug | 3.70 | 3.71 | -0.01 |
| Sep | 3.37 | 3.30 | 0.07 |
| Oct | 2.93 | 2.84 | 0.09 |
| Nov | 2.25 | 2.25 | 0.00 |
| Dec | 1.91 | 1.96 | -0.05 |
35.36 | 35.35 | 0.01 |