| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.37 | -0.01 |
| Feb | 3.06 | 3.08 | -0.02 |
| Mar | 4.42 | 4.54 | -0.12 |
| Apr | 3.44 | 3.57 | -0.13 |
| May | 3.26 | 3.40 | -0.14 |
| Jun | 3.68 | 3.68 | 0.00 |
| Jul | 4.34 | 4.33 | 0.01 |
| Aug | 4.68 | 4.60 | 0.08 |
| Sep | 3.85 | 3.96 | -0.11 |
| Oct | 4.15 | 4.31 | -0.16 |
| Nov | 3.36 | 3.38 | -0.02 |
| Dec | 4.25 | 4.36 | -0.11 |
45.85 | 46.58 | -0.73 |