| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.03 | 5.01 | 0.02 |
| Feb | 5.49 | 5.44 | 0.05 |
| Mar | 5.56 | 5.48 | 0.08 |
| Apr | 5.40 | 5.39 | 0.01 |
| May | 4.99 | 5.48 | -0.49 |
| Jun | 4.68 | 4.92 | -0.24 |
| Jul | 4.53 | 5.31 | -0.78 |
| Aug | 3.83 | 4.18 | -0.35 |
| Sep | 4.06 | 4.36 | -0.30 |
| Oct | 4.13 | 3.96 | 0.17 |
| Nov | 4.22 | 4.11 | 0.11 |
| Dec | 6.17 | 6.11 | 0.06 |
58.09 | 59.75 | -1.66 |