| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.60 | -0.07 |
| Feb | 3.64 | 3.65 | -0.01 |
| Mar | 4.57 | 4.62 | -0.05 |
| Apr | 4.78 | 4.62 | 0.16 |
| May | 5.30 | 5.29 | 0.01 |
| Jun | 4.85 | 4.87 | -0.02 |
| Jul | 4.82 | 5.00 | -0.18 |
| Aug | 3.56 | 3.56 | 0.00 |
| Sep | 3.65 | 3.60 | 0.05 |
| Oct | 3.70 | 3.54 | 0.16 |
| Nov | 3.36 | 3.37 | -0.01 |
| Dec | 4.24 | 4.30 | -0.06 |
50.00 | 50.02 | -0.02 |