| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.64 | -0.37 |
| Feb | 2.79 | 3.01 | -0.22 |
| Mar | 3.98 | 4.24 | -0.26 |
| Apr | 3.99 | 4.04 | -0.05 |
| May | 3.77 | 3.82 | -0.05 |
| Jun | 4.20 | 4.46 | -0.26 |
| Jul | 4.28 | 4.23 | 0.05 |
| Aug | 3.99 | 4.34 | -0.35 |
| Sep | 4.34 | 4.44 | -0.10 |
| Oct | 4.25 | 4.25 | 0.00 |
| Nov | 3.45 | 3.54 | -0.09 |
| Dec | 4.05 | 4.37 | -0.32 |
46.36 | 48.38 | -2.02 |