| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.71 | 2.99 | -0.28 |
| Feb | 2.18 | 2.31 | -0.13 |
| Mar | 2.52 | 2.57 | -0.05 |
| Apr | 3.15 | 3.25 | -0.10 |
| May | 3.16 | 3.27 | -0.11 |
| Jun | 3.62 | 3.71 | -0.09 |
| Jul | 3.76 | 3.85 | -0.09 |
| Aug | 3.28 | 3.36 | -0.08 |
| Sep | 3.63 | 3.54 | 0.09 |
| Oct | 3.92 | 3.94 | -0.02 |
| Nov | 2.95 | 3.15 | -0.20 |
| Dec | 2.95 | 3.13 | -0.18 |
37.83 | 39.07 | -1.24 |