| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.75 | -0.23 |
| Feb | 2.91 | 2.97 | -0.06 |
| Mar | 3.88 | 3.92 | -0.04 |
| Apr | 3.44 | 3.73 | -0.29 |
| May | 3.84 | 4.09 | -0.25 |
| Jun | 4.51 | 4.66 | -0.15 |
| Jul | 5.49 | 5.35 | 0.14 |
| Aug | 5.26 | 5.48 | -0.22 |
| Sep | 5.14 | 5.18 | -0.04 |
| Oct | 3.96 | 4.21 | -0.25 |
| Nov | 3.24 | 3.47 | -0.23 |
| Dec | 3.32 | 3.57 | -0.25 |
48.51 | 50.38 | -1.87 |