| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.56 | -0.16 |
| Feb | 2.99 | 3.11 | -0.12 |
| Mar | 3.40 | 3.46 | -0.06 |
| Apr | 2.99 | 3.12 | -0.13 |
| May | 3.05 | 3.17 | -0.12 |
| Jun | 6.42 | 6.59 | -0.17 |
| Jul | 5.49 | 6.28 | -0.79 |
| Aug | 6.71 | 6.93 | -0.22 |
| Sep | 6.21 | 6.20 | 0.01 |
| Oct | 4.30 | 4.28 | 0.02 |
| Nov | 2.06 | 2.07 | -0.01 |
| Dec | 2.83 | 2.93 | -0.10 |
49.85 | 51.70 | -1.85 |