| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.78 | 10.79 | 0.99 |
| Feb | 8.82 | 8.14 | 0.68 |
| Mar | 9.33 | 8.20 | 1.13 |
| Apr | 6.38 | 5.30 | 1.08 |
| May | 3.94 | 3.51 | 0.43 |
| Jun | 2.55 | 2.69 | -0.14 |
| Jul | 0.64 | 0.61 | 0.03 |
| Aug | 0.80 | 0.72 | 0.08 |
| Sep | 2.28 | 2.22 | 0.06 |
| Oct | 6.60 | 5.71 | 0.89 |
| Nov | 11.24 | 10.62 | 0.62 |
| Dec | 13.01 | 12.11 | 0.90 |
77.37 | 70.62 | 6.75 |