| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.71 | -0.31 |
| Feb | 3.24 | 3.38 | -0.14 |
| Mar | 3.55 | 3.71 | -0.16 |
| Apr | 3.17 | 3.17 | 0.00 |
| May | 3.86 | 3.92 | -0.06 |
| Jun | 4.82 | 5.39 | -0.57 |
| Jul | 5.81 | 5.88 | -0.07 |
| Aug | 6.21 | 6.84 | -0.63 |
| Sep | 6.03 | 6.87 | -0.84 |
| Oct | 3.88 | 3.95 | -0.07 |
| Nov | 3.28 | 3.36 | -0.08 |
| Dec | 3.54 | 3.52 | 0.02 |
50.79 | 53.70 | -2.91 |