| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.54 | -0.17 |
| Feb | 3.03 | 3.11 | -0.08 |
| Mar | 3.47 | 3.59 | -0.12 |
| Apr | 3.36 | 3.42 | -0.06 |
| May | 3.53 | 3.50 | 0.03 |
| Jun | 4.91 | 4.80 | 0.11 |
| Jul | 5.18 | 4.90 | 0.28 |
| Aug | 4.81 | 5.13 | -0.32 |
| Sep | 5.30 | 5.54 | -0.24 |
| Oct | 3.22 | 3.28 | -0.06 |
| Nov | 3.27 | 3.35 | -0.08 |
| Dec | 3.47 | 3.41 | 0.06 |
46.92 | 47.57 | -0.65 |