| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.69 | -0.17 |
| Feb | 3.45 | 3.61 | -0.16 |
| Mar | 3.59 | 3.75 | -0.16 |
| Apr | 3.12 | 3.23 | -0.11 |
| May | 3.42 | 3.54 | -0.12 |
| Jun | 5.04 | 5.19 | -0.15 |
| Jul | 5.33 | 5.52 | -0.19 |
| Aug | 5.25 | 5.46 | -0.21 |
| Sep | 4.37 | 4.56 | -0.19 |
| Oct | 3.45 | 3.48 | -0.03 |
| Nov | 2.75 | 2.83 | -0.08 |
| Dec | 3.59 | 3.64 | -0.05 |
46.88 | 48.50 | -1.62 |