| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.12 | -0.14 |
| Feb | 2.21 | 2.43 | -0.22 |
| Mar | 2.67 | 2.87 | -0.20 |
| Apr | 3.39 | 3.40 | -0.01 |
| May | 3.28 | 3.23 | 0.05 |
| Jun | 3.39 | 3.56 | -0.17 |
| Jul | 3.52 | 3.24 | 0.28 |
| Aug | 3.30 | 3.16 | 0.14 |
| Sep | 3.95 | 3.96 | -0.01 |
| Oct | 3.80 | 3.96 | -0.16 |
| Nov | 3.31 | 3.50 | -0.19 |
| Dec | 3.42 | 3.51 | -0.09 |
39.22 | 39.94 | -0.72 |