| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.34 | -0.04 |
| Feb | 3.09 | 3.05 | 0.04 |
| Mar | 3.37 | 3.41 | -0.04 |
| Apr | 3.24 | 3.22 | 0.02 |
| May | 3.08 | 3.02 | 0.06 |
| Jun | 5.22 | 5.40 | -0.18 |
| Jul | 5.87 | 5.47 | 0.40 |
| Aug | 6.40 | 6.71 | -0.31 |
| Sep | 4.58 | 4.56 | 0.02 |
| Oct | 4.03 | 3.89 | 0.14 |
| Nov | 2.59 | 2.51 | 0.08 |
| Dec | 3.12 | 3.29 | -0.17 |
47.89 | 47.87 | 0.02 |