| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.39 | 0.08 |
| Feb | 1.04 | 0.90 | 0.14 |
| Mar | 0.85 | 0.81 | 0.04 |
| Apr | 0.64 | 0.59 | 0.05 |
| May | 0.79 | 0.82 | -0.03 |
| Jun | 0.59 | 0.59 | 0.00 |
| Jul | 0.29 | 0.25 | 0.04 |
| Aug | 0.23 | 0.20 | 0.03 |
| Sep | 0.29 | 0.26 | 0.03 |
| Oct | 0.83 | 0.74 | 0.09 |
| Nov | 1.31 | 1.16 | 0.15 |
| Dec | 1.77 | 1.70 | 0.07 |
10.10 | 9.41 | 0.69 |