| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 11.32 | 10.43 | 0.89 |
| Feb | 8.44 | 7.98 | 0.46 |
| Mar | 8.89 | 7.65 | 1.24 |
| Apr | 6.09 | 5.18 | 0.91 |
| May | 3.81 | 3.41 | 0.40 |
| Jun | 2.50 | 2.64 | -0.14 |
| Jul | 0.62 | 0.59 | 0.03 |
| Aug | 0.81 | 0.79 | 0.02 |
| Sep | 2.22 | 2.02 | 0.20 |
| Oct | 6.32 | 5.54 | 0.78 |
| Nov | 10.74 | 9.83 | 0.91 |
| Dec | 12.45 | 11.75 | 0.70 |
74.21 | 67.81 | 6.40 |