| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.66 | -0.24 |
| Feb | 2.83 | 2.87 | -0.04 |
| Mar | 3.80 | 3.88 | -0.08 |
| Apr | 3.33 | 3.62 | -0.29 |
| May | 3.80 | 3.93 | -0.13 |
| Jun | 4.39 | 4.52 | -0.13 |
| Jul | 5.49 | 5.29 | 0.20 |
| Aug | 5.15 | 5.74 | -0.59 |
| Sep | 5.00 | 5.15 | -0.15 |
| Oct | 3.92 | 4.25 | -0.33 |
| Nov | 3.12 | 3.37 | -0.25 |
| Dec | 3.23 | 3.56 | -0.33 |
47.48 | 49.84 | -2.36 |