| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.59 | 0.01 |
| Feb | 2.65 | 2.90 | -0.25 |
| Mar | 3.96 | 4.06 | -0.10 |
| Apr | 3.86 | 3.97 | -0.11 |
| May | 3.97 | 4.29 | -0.32 |
| Jun | 4.69 | 5.00 | -0.31 |
| Jul | 5.02 | 5.42 | -0.40 |
| Aug | 4.79 | 5.00 | -0.21 |
| Sep | 4.85 | 5.05 | -0.20 |
| Oct | 4.39 | 4.69 | -0.30 |
| Nov | 3.46 | 3.46 | 0.00 |
| Dec | 4.00 | 4.24 | -0.24 |
49.24 | 51.67 | -2.43 |