| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 3.79 | -0.04 |
| Feb | 3.97 | 4.14 | -0.17 |
| Mar | 2.45 | 2.85 | -0.40 |
| Apr | 0.77 | 0.71 | 0.06 |
| May | 0.35 | 0.31 | 0.04 |
| Jun | 0.06 | 0.06 | 0.00 |
| Jul | 0.02 | 0.05 | -0.03 |
| Aug | 0.01 | 0.00 | 0.01 |
| Sep | 0.07 | 0.06 | 0.01 |
| Oct | 0.59 | 0.64 | -0.05 |
| Nov | 0.97 | 0.80 | 0.17 |
| Dec | 2.79 | 2.59 | 0.20 |
15.80 | 16.00 | -0.20 |