| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.23 | 0.08 |
| Feb | 2.68 | 2.75 | -0.07 |
| Mar | 3.25 | 3.11 | 0.14 |
| Apr | 3.31 | 3.28 | 0.03 |
| May | 4.87 | 4.66 | 0.21 |
| Jun | 4.08 | 3.89 | 0.19 |
| Jul | 2.35 | 2.11 | 0.24 |
| Aug | 3.37 | 3.09 | 0.28 |
| Sep | 3.62 | 3.45 | 0.17 |
| Oct | 4.66 | 4.35 | 0.31 |
| Nov | 3.76 | 3.59 | 0.17 |
| Dec | 3.26 | 3.22 | 0.04 |
42.52 | 40.73 | 1.79 |