| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.70 | -0.49 |
| Feb | 1.86 | 2.05 | -0.19 |
| Mar | 2.26 | 2.52 | -0.26 |
| Apr | 3.17 | 3.23 | -0.06 |
| May | 3.12 | 3.04 | 0.08 |
| Jun | 3.11 | 3.15 | -0.04 |
| Jul | 3.22 | 3.25 | -0.03 |
| Aug | 2.88 | 2.90 | -0.02 |
| Sep | 3.53 | 3.42 | 0.11 |
| Oct | 3.29 | 3.41 | -0.12 |
| Nov | 2.85 | 2.92 | -0.07 |
| Dec | 2.61 | 2.93 | -0.32 |
34.11 | 35.52 | -1.41 |