| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.92 | -0.11 |
| Feb | 0.81 | 0.92 | -0.11 |
| Mar | 1.62 | 1.72 | -0.10 |
| Apr | 2.91 | 2.98 | -0.07 |
| May | 4.09 | 4.31 | -0.22 |
| Jun | 4.82 | 5.03 | -0.21 |
| Jul | 4.18 | 4.26 | -0.08 |
| Aug | 4.53 | 4.63 | -0.10 |
| Sep | 3.27 | 3.37 | -0.10 |
| Oct | 2.62 | 2.66 | -0.04 |
| Nov | 1.55 | 1.65 | -0.10 |
| Dec | 1.13 | 1.26 | -0.13 |
32.34 | 33.71 | -1.37 |