| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.44 | -0.13 |
| Feb | 3.32 | 3.29 | 0.03 |
| Mar | 4.53 | 4.37 | 0.16 |
| Apr | 5.10 | 5.14 | -0.04 |
| May | 5.09 | 5.06 | 0.03 |
| Jun | 4.26 | 4.17 | 0.09 |
| Jul | 4.21 | 4.24 | -0.03 |
| Aug | 2.98 | 3.12 | -0.14 |
| Sep | 3.46 | 3.49 | -0.03 |
| Oct | 3.40 | 3.39 | 0.01 |
| Nov | 3.96 | 3.89 | 0.07 |
| Dec | 4.01 | 4.04 | -0.03 |
47.63 | 47.64 | -0.01 |