| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.56 | -0.04 |
| Feb | 3.08 | 3.06 | 0.02 |
| Mar | 3.92 | 3.89 | 0.03 |
| Apr | 3.64 | 3.68 | -0.04 |
| May | 3.78 | 3.85 | -0.07 |
| Jun | 4.42 | 4.41 | 0.01 |
| Jul | 5.37 | 5.31 | 0.06 |
| Aug | 5.46 | 5.40 | 0.06 |
| Sep | 5.88 | 6.35 | -0.47 |
| Oct | 3.22 | 3.46 | -0.24 |
| Nov | 3.28 | 3.32 | -0.04 |
| Dec | 3.44 | 3.45 | -0.01 |
49.01 | 49.74 | -0.73 |