| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.88 | -0.12 |
| Feb | 2.18 | 2.39 | -0.21 |
| Mar | 3.28 | 3.48 | -0.20 |
| Apr | 3.45 | 3.50 | -0.05 |
| May | 3.97 | 3.70 | 0.27 |
| Jun | 3.67 | 3.55 | 0.12 |
| Jul | 3.73 | 3.24 | 0.49 |
| Aug | 3.42 | 3.00 | 0.42 |
| Sep | 4.27 | 3.96 | 0.31 |
| Oct | 3.01 | 3.35 | -0.34 |
| Nov | 2.84 | 2.92 | -0.08 |
| Dec | 3.29 | 3.38 | -0.09 |
39.87 | 39.35 | 0.52 |