| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.94 | -0.31 |
| Feb | 3.22 | 3.54 | -0.32 |
| Mar | 4.25 | 4.54 | -0.29 |
| Apr | 4.36 | 4.74 | -0.38 |
| May | 3.89 | 4.13 | -0.24 |
| Jun | 4.42 | 4.38 | 0.04 |
| Jul | 4.02 | 4.07 | -0.05 |
| Aug | 3.99 | 4.22 | -0.23 |
| Sep | 4.54 | 4.58 | -0.04 |
| Oct | 4.81 | 5.14 | -0.33 |
| Nov | 4.00 | 4.13 | -0.13 |
| Dec | 4.31 | 4.76 | -0.45 |
49.44 | 52.17 | -2.73 |