| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 3.48 | 0.54 |
| Feb | 4.10 | 4.07 | 0.03 |
| Mar | 2.50 | 2.80 | -0.30 |
| Apr | 0.84 | 0.78 | 0.06 |
| May | 0.35 | 0.35 | 0.00 |
| Jun | 0.08 | 0.06 | 0.02 |
| Jul | 0.02 | 0.05 | -0.03 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.09 | 0.07 | 0.02 |
| Oct | 0.61 | 0.59 | 0.02 |
| Nov | 1.00 | 0.86 | 0.14 |
| Dec | 2.61 | 2.48 | 0.13 |
16.23 | 15.59 | 0.64 |