| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.64 | 7.81 | 0.83 |
| Feb | 6.71 | 5.90 | 0.81 |
| Mar | 7.25 | 6.45 | 0.80 |
| Apr | 6.17 | 5.29 | 0.88 |
| May | 4.40 | 3.72 | 0.68 |
| Jun | 3.28 | 2.92 | 0.36 |
| Jul | 0.76 | 0.71 | 0.05 |
| Aug | 0.97 | 0.92 | 0.05 |
| Sep | 2.62 | 2.38 | 0.24 |
| Oct | 6.43 | 5.63 | 0.80 |
| Nov | 9.74 | 8.45 | 1.29 |
| Dec | 9.69 | 9.19 | 0.50 |
66.66 | 59.37 | 7.29 |