| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 5.45 | -0.67 |
| Feb | 4.67 | 5.14 | -0.47 |
| Mar | 4.73 | 5.20 | -0.47 |
| Apr | 4.98 | 5.79 | -0.81 |
| May | 3.33 | 3.56 | -0.23 |
| Jun | 6.18 | 6.46 | -0.28 |
| Jul | 7.38 | 7.14 | 0.24 |
| Aug | 7.47 | 7.80 | -0.33 |
| Sep | 6.17 | 6.34 | -0.17 |
| Oct | 4.46 | 4.61 | -0.15 |
| Nov | 4.12 | 4.57 | -0.45 |
| Dec | 5.05 | 5.31 | -0.26 |
63.32 | 67.37 | -4.05 |