| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.24 | 6.92 | -0.68 |
| Feb | 4.81 | 5.38 | -0.57 |
| Mar | 4.72 | 5.21 | -0.49 |
| Apr | 3.36 | 3.73 | -0.37 |
| May | 2.11 | 2.35 | -0.24 |
| Jun | 1.10 | 1.26 | -0.16 |
| Jul | 0.28 | 0.34 | -0.06 |
| Aug | 0.31 | 0.33 | -0.02 |
| Sep | 1.16 | 1.41 | -0.25 |
| Oct | 3.11 | 3.32 | -0.21 |
| Nov | 6.01 | 6.76 | -0.75 |
| Dec | 7.66 | 8.65 | -0.99 |
40.87 | 45.66 | -4.79 |