| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.50 | -0.16 |
| Feb | 3.15 | 3.29 | -0.14 |
| Mar | 3.39 | 3.51 | -0.12 |
| Apr | 3.25 | 3.23 | 0.02 |
| May | 3.24 | 3.51 | -0.27 |
| Jun | 5.61 | 5.79 | -0.18 |
| Jul | 5.73 | 6.40 | -0.67 |
| Aug | 6.27 | 6.58 | -0.31 |
| Sep | 5.05 | 5.45 | -0.40 |
| Oct | 4.18 | 4.20 | -0.02 |
| Nov | 2.82 | 2.83 | -0.01 |
| Dec | 3.32 | 3.61 | -0.29 |
49.35 | 51.90 | -2.55 |