| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.82 | 2.99 | -0.17 |
| Feb | 2.36 | 2.34 | 0.02 |
| Mar | 3.25 | 3.26 | -0.01 |
| Apr | 3.79 | 3.83 | -0.04 |
| May | 3.97 | 4.06 | -0.09 |
| Jun | 4.53 | 4.57 | -0.04 |
| Jul | 4.24 | 3.90 | 0.34 |
| Aug | 3.64 | 3.63 | 0.01 |
| Sep | 3.26 | 3.28 | -0.02 |
| Oct | 3.04 | 3.07 | -0.03 |
| Nov | 2.81 | 2.87 | -0.06 |
| Dec | 2.92 | 2.95 | -0.03 |
40.63 | 40.75 | -0.12 |