| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.25 | 4.29 | -0.04 |
| Feb | 4.62 | 4.63 | -0.01 |
| Mar | 4.98 | 5.04 | -0.06 |
| Apr | 4.92 | 4.96 | -0.04 |
| May | 5.04 | 5.23 | -0.19 |
| Jun | 4.34 | 4.33 | 0.01 |
| Jul | 4.39 | 4.54 | -0.15 |
| Aug | 3.49 | 3.50 | -0.01 |
| Sep | 3.80 | 3.99 | -0.19 |
| Oct | 3.49 | 3.43 | 0.06 |
| Nov | 3.67 | 3.82 | -0.15 |
| Dec | 4.88 | 5.11 | -0.23 |
51.87 | 52.87 | -1.00 |