| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.44 | 6.01 | 0.43 |
| Feb | 4.96 | 4.59 | 0.37 |
| Mar | 5.22 | 4.89 | 0.33 |
| Apr | 4.44 | 4.00 | 0.44 |
| May | 3.05 | 2.84 | 0.21 |
| Jun | 1.76 | 1.71 | 0.05 |
| Jul | 0.37 | 0.34 | 0.03 |
| Aug | 0.48 | 0.38 | 0.10 |
| Sep | 1.54 | 1.54 | 0.00 |
| Oct | 3.82 | 3.56 | 0.26 |
| Nov | 6.68 | 6.23 | 0.45 |
| Dec | 7.67 | 7.27 | 0.40 |
46.43 | 43.36 | 3.07 |