| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.51 | -0.42 |
| Feb | 2.52 | 3.00 | -0.48 |
| Mar | 3.24 | 3.51 | -0.27 |
| Apr | 3.41 | 3.56 | -0.15 |
| May | 3.77 | 3.81 | -0.04 |
| Jun | 4.42 | 4.73 | -0.31 |
| Jul | 4.32 | 4.46 | -0.14 |
| Aug | 4.23 | 4.18 | 0.05 |
| Sep | 4.60 | 4.36 | 0.24 |
| Oct | 4.41 | 4.69 | -0.28 |
| Nov | 3.33 | 3.46 | -0.13 |
| Dec | 3.63 | 4.32 | -0.69 |
44.97 | 47.59 | -2.62 |