| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.26 | -0.10 |
| Feb | 1.51 | 1.64 | -0.13 |
| Mar | 2.39 | 2.52 | -0.13 |
| Apr | 4.00 | 4.07 | -0.07 |
| May | 5.43 | 5.52 | -0.09 |
| Jun | 5.06 | 5.47 | -0.41 |
| Jul | 4.55 | 4.52 | 0.03 |
| Aug | 4.47 | 4.43 | 0.04 |
| Sep | 3.92 | 4.23 | -0.31 |
| Oct | 3.24 | 3.27 | -0.03 |
| Nov | 2.16 | 2.25 | -0.09 |
| Dec | 1.59 | 1.72 | -0.13 |
39.48 | 40.90 | -1.42 |