| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.59 | -0.31 |
| Feb | 3.00 | 3.31 | -0.31 |
| Mar | 3.83 | 3.88 | -0.05 |
| Apr | 4.29 | 4.37 | -0.08 |
| May | 3.83 | 3.86 | -0.03 |
| Jun | 4.47 | 4.60 | -0.13 |
| Jul | 4.21 | 4.52 | -0.31 |
| Aug | 4.14 | 4.03 | 0.11 |
| Sep | 3.75 | 3.83 | -0.08 |
| Oct | 5.33 | 5.42 | -0.09 |
| Nov | 4.33 | 4.43 | -0.10 |
| Dec | 4.21 | 4.63 | -0.42 |
48.67 | 50.47 | -1.80 |