| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.88 | 7.06 | 0.82 |
| Feb | 6.17 | 5.53 | 0.64 |
| Mar | 6.81 | 6.11 | 0.70 |
| Apr | 5.54 | 4.94 | 0.60 |
| May | 3.73 | 3.37 | 0.36 |
| Jun | 2.37 | 2.16 | 0.21 |
| Jul | 0.48 | 0.47 | 0.01 |
| Aug | 0.60 | 0.57 | 0.03 |
| Sep | 1.97 | 1.81 | 0.16 |
| Oct | 4.83 | 4.40 | 0.43 |
| Nov | 8.23 | 7.41 | 0.82 |
| Dec | 9.30 | 8.54 | 0.76 |
57.91 | 52.37 | 5.54 |