| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.32 | -0.08 |
| Feb | 2.81 | 2.82 | -0.01 |
| Mar | 3.46 | 3.36 | 0.10 |
| Apr | 2.84 | 2.76 | 0.08 |
| May | 3.50 | 3.60 | -0.10 |
| Jun | 7.46 | 7.81 | -0.35 |
| Jul | 6.54 | 6.90 | -0.36 |
| Aug | 7.16 | 6.89 | 0.27 |
| Sep | 6.52 | 6.31 | 0.21 |
| Oct | 3.91 | 3.60 | 0.31 |
| Nov | 2.18 | 2.09 | 0.09 |
| Dec | 2.96 | 2.70 | 0.26 |
52.58 | 52.16 | 0.42 |