| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.21 | -0.04 |
| Feb | 3.99 | 3.93 | 0.06 |
| Mar | 4.33 | 4.42 | -0.09 |
| Apr | 3.99 | 4.05 | -0.06 |
| May | 4.52 | 4.66 | -0.14 |
| Jun | 4.19 | 4.36 | -0.17 |
| Jul | 2.90 | 3.16 | -0.26 |
| Aug | 2.98 | 3.29 | -0.31 |
| Sep | 3.52 | 3.52 | 0.00 |
| Oct | 4.28 | 4.37 | -0.09 |
| Nov | 3.92 | 4.08 | -0.16 |
| Dec | 4.52 | 4.68 | -0.16 |
47.31 | 48.73 | -1.42 |