| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 5.43 | -0.67 |
| Feb | 4.60 | 5.02 | -0.42 |
| Mar | 4.77 | 5.14 | -0.37 |
| Apr | 4.88 | 5.65 | -0.77 |
| May | 3.34 | 3.60 | -0.26 |
| Jun | 6.21 | 6.46 | -0.25 |
| Jul | 7.06 | 7.09 | -0.03 |
| Aug | 7.22 | 7.45 | -0.23 |
| Sep | 6.24 | 6.33 | -0.09 |
| Oct | 4.36 | 4.49 | -0.13 |
| Nov | 4.14 | 4.50 | -0.36 |
| Dec | 4.94 | 5.27 | -0.33 |
62.52 | 66.43 | -3.91 |