| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.67 | -0.20 |
| Feb | 3.26 | 3.43 | -0.17 |
| Mar | 3.50 | 3.59 | -0.09 |
| Apr | 3.31 | 3.26 | 0.05 |
| May | 3.73 | 3.69 | 0.04 |
| Jun | 5.11 | 4.96 | 0.15 |
| Jul | 5.64 | 5.70 | -0.06 |
| Aug | 5.99 | 6.43 | -0.44 |
| Sep | 5.44 | 5.99 | -0.55 |
| Oct | 3.85 | 4.29 | -0.44 |
| Nov | 3.05 | 3.20 | -0.15 |
| Dec | 3.70 | 3.69 | 0.01 |
50.05 | 51.90 | -1.85 |