| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.79 | 3.29 | 0.50 |
| Feb | 4.35 | 3.55 | 0.80 |
| Mar | 2.75 | 2.73 | 0.02 |
| Apr | 0.87 | 0.73 | 0.14 |
| May | 0.34 | 0.30 | 0.04 |
| Jun | 0.05 | 0.05 | 0.00 |
| Jul | 0.02 | 0.05 | -0.03 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.09 | 0.07 | 0.02 |
| Oct | 0.60 | 0.60 | 0.00 |
| Nov | 1.02 | 0.85 | 0.17 |
| Dec | 2.77 | 2.46 | 0.31 |
16.66 | 14.68 | 1.98 |