| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.25 | -0.12 |
| Feb | 2.64 | 2.81 | -0.17 |
| Mar | 3.92 | 4.00 | -0.08 |
| Apr | 3.53 | 3.44 | 0.09 |
| May | 4.42 | 4.31 | 0.11 |
| Jun | 4.38 | 4.50 | -0.12 |
| Jul | 4.39 | 4.37 | 0.02 |
| Aug | 3.62 | 3.92 | -0.30 |
| Sep | 4.39 | 4.52 | -0.13 |
| Oct | 3.73 | 4.00 | -0.27 |
| Nov | 3.23 | 3.34 | -0.11 |
| Dec | 3.61 | 3.81 | -0.20 |
44.99 | 46.27 | -1.28 |