| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.56 | 0.00 |
| Feb | 3.09 | 3.02 | 0.07 |
| Mar | 3.99 | 3.91 | 0.08 |
| Apr | 3.69 | 3.66 | 0.03 |
| May | 3.72 | 3.79 | -0.07 |
| Jun | 4.37 | 4.40 | -0.03 |
| Jul | 5.33 | 5.29 | 0.04 |
| Aug | 5.43 | 5.35 | 0.08 |
| Sep | 5.83 | 6.13 | -0.30 |
| Oct | 3.24 | 3.42 | -0.18 |
| Nov | 3.29 | 3.32 | -0.03 |
| Dec | 3.48 | 3.44 | 0.04 |
49.02 | 49.29 | -0.27 |