| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.51 | -0.04 |
| Feb | 3.00 | 2.97 | 0.03 |
| Mar | 4.06 | 4.14 | -0.08 |
| Apr | 3.42 | 3.48 | -0.06 |
| May | 3.64 | 3.67 | -0.03 |
| Jun | 3.94 | 4.07 | -0.13 |
| Jul | 4.42 | 4.31 | 0.11 |
| Aug | 4.92 | 5.06 | -0.14 |
| Sep | 4.16 | 4.37 | -0.21 |
| Oct | 3.89 | 4.05 | -0.16 |
| Nov | 3.21 | 3.26 | -0.05 |
| Dec | 3.66 | 3.82 | -0.16 |
45.79 | 46.71 | -0.92 |