| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.75 | -0.04 |
| Feb | 3.08 | 3.18 | -0.10 |
| Mar | 3.75 | 3.92 | -0.17 |
| Apr | 3.34 | 3.45 | -0.11 |
| May | 3.56 | 3.35 | 0.21 |
| Jun | 4.14 | 4.20 | -0.06 |
| Jul | 3.89 | 4.05 | -0.16 |
| Aug | 4.22 | 4.45 | -0.23 |
| Sep | 3.81 | 4.07 | -0.26 |
| Oct | 3.22 | 3.32 | -0.10 |
| Nov | 3.16 | 3.25 | -0.09 |
| Dec | 3.53 | 3.80 | -0.27 |
43.41 | 44.79 | -1.38 |