| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.78 | 3.95 | -0.17 |
| Feb | 2.83 | 2.84 | -0.01 |
| Mar | 3.93 | 3.95 | -0.02 |
| Apr | 3.80 | 3.81 | -0.01 |
| May | 4.34 | 4.36 | -0.02 |
| Jun | 4.25 | 4.22 | 0.03 |
| Jul | 4.25 | 4.23 | 0.02 |
| Aug | 4.01 | 3.93 | 0.08 |
| Sep | 4.53 | 4.84 | -0.31 |
| Oct | 3.52 | 3.44 | 0.08 |
| Nov | 3.46 | 3.46 | 0.00 |
| Dec | 3.59 | 3.66 | -0.07 |
46.29 | 46.69 | -0.40 |