| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 4.03 | -0.12 |
| Feb | 3.67 | 3.74 | -0.07 |
| Mar | 4.27 | 4.44 | -0.17 |
| Apr | 3.11 | 3.10 | 0.01 |
| May | 3.18 | 3.35 | -0.17 |
| Jun | 4.22 | 4.33 | -0.11 |
| Jul | 3.96 | 4.18 | -0.22 |
| Aug | 4.30 | 4.56 | -0.26 |
| Sep | 3.69 | 3.92 | -0.23 |
| Oct | 3.13 | 3.11 | 0.02 |
| Nov | 3.27 | 3.32 | -0.05 |
| Dec | 4.13 | 4.18 | -0.05 |
44.84 | 46.26 | -1.42 |