| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.88 | -0.30 |
| Feb | 2.07 | 2.31 | -0.24 |
| Mar | 2.49 | 2.71 | -0.22 |
| Apr | 3.31 | 3.44 | -0.13 |
| May | 3.22 | 3.07 | 0.15 |
| Jun | 3.31 | 3.31 | 0.00 |
| Jul | 3.41 | 3.50 | -0.09 |
| Aug | 3.18 | 3.16 | 0.02 |
| Sep | 3.71 | 3.66 | 0.05 |
| Oct | 3.54 | 3.66 | -0.12 |
| Nov | 3.03 | 3.02 | 0.01 |
| Dec | 3.00 | 3.13 | -0.13 |
36.85 | 37.85 | -1.00 |