| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.63 | -0.15 |
| Feb | 3.28 | 3.45 | -0.17 |
| Mar | 4.07 | 4.11 | -0.04 |
| Apr | 4.29 | 4.39 | -0.10 |
| May | 3.66 | 3.68 | -0.02 |
| Jun | 4.31 | 4.54 | -0.23 |
| Jul | 3.44 | 3.43 | 0.01 |
| Aug | 3.34 | 3.25 | 0.09 |
| Sep | 3.99 | 3.95 | 0.04 |
| Oct | 5.19 | 5.36 | -0.17 |
| Nov | 4.50 | 4.43 | 0.07 |
| Dec | 4.37 | 4.64 | -0.27 |
47.92 | 48.86 | -0.94 |