| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.00 | -0.06 |
| Feb | 2.96 | 2.97 | -0.01 |
| Mar | 4.46 | 4.48 | -0.02 |
| Apr | 5.15 | 5.04 | 0.11 |
| May | 5.32 | 4.96 | 0.36 |
| Jun | 3.69 | 3.69 | 0.00 |
| Jul | 3.79 | 3.70 | 0.09 |
| Aug | 3.38 | 3.20 | 0.18 |
| Sep | 3.68 | 3.54 | 0.14 |
| Oct | 3.80 | 3.73 | 0.07 |
| Nov | 4.32 | 4.37 | -0.05 |
| Dec | 3.48 | 3.44 | 0.04 |
46.97 | 46.12 | 0.85 |