| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.21 | -0.23 |
| Feb | 3.46 | 3.70 | -0.24 |
| Mar | 4.05 | 4.39 | -0.34 |
| Apr | 4.45 | 4.63 | -0.18 |
| May | 4.72 | 5.08 | -0.36 |
| Jun | 4.85 | 5.05 | -0.20 |
| Jul | 5.01 | 5.08 | -0.07 |
| Aug | 4.40 | 4.51 | -0.11 |
| Sep | 3.95 | 3.77 | 0.18 |
| Oct | 3.56 | 3.05 | 0.51 |
| Nov | 3.46 | 3.34 | 0.12 |
| Dec | 3.92 | 3.90 | 0.02 |
49.81 | 50.71 | -0.90 |