| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.49 | -0.06 |
| Feb | 3.33 | 3.48 | -0.15 |
| Mar | 4.08 | 4.12 | -0.04 |
| Apr | 4.34 | 4.47 | -0.13 |
| May | 3.70 | 3.63 | 0.07 |
| Jun | 4.37 | 4.52 | -0.15 |
| Jul | 3.49 | 3.60 | -0.11 |
| Aug | 3.43 | 3.50 | -0.07 |
| Sep | 3.96 | 3.92 | 0.04 |
| Oct | 5.14 | 5.46 | -0.32 |
| Nov | 4.46 | 4.31 | 0.15 |
| Dec | 4.42 | 4.65 | -0.23 |
48.15 | 49.15 | -1.00 |