| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.39 | 2.48 | -0.09 |
| Feb | 1.94 | 2.10 | -0.16 |
| Mar | 2.30 | 2.37 | -0.07 |
| Apr | 3.63 | 3.69 | -0.06 |
| May | 4.20 | 4.30 | -0.10 |
| Jun | 4.29 | 4.27 | 0.02 |
| Jul | 3.89 | 3.76 | 0.13 |
| Aug | 3.93 | 3.99 | -0.06 |
| Sep | 3.03 | 3.00 | 0.03 |
| Oct | 3.00 | 2.96 | 0.04 |
| Nov | 2.82 | 3.02 | -0.20 |
| Dec | 2.32 | 2.32 | 0.00 |
37.74 | 38.26 | -0.52 |