| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.50 | 5.56 | -0.06 |
| Feb | 4.36 | 4.43 | -0.07 |
| Mar | 5.18 | 5.05 | 0.13 |
| Apr | 5.30 | 5.43 | -0.13 |
| May | 5.02 | 5.52 | -0.50 |
| Jun | 6.41 | 6.71 | -0.30 |
| Jul | 7.40 | 7.92 | -0.52 |
| Aug | 6.69 | 7.11 | -0.42 |
| Sep | 5.29 | 5.57 | -0.28 |
| Oct | 3.99 | 4.09 | -0.10 |
| Nov | 4.28 | 4.47 | -0.19 |
| Dec | 5.20 | 5.42 | -0.22 |
64.62 | 67.28 | -2.66 |