| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.65 | -0.08 |
| Feb | 2.95 | 3.09 | -0.14 |
| Mar | 3.83 | 4.05 | -0.22 |
| Apr | 3.90 | 3.98 | -0.08 |
| May | 3.77 | 3.66 | 0.11 |
| Jun | 4.15 | 4.08 | 0.07 |
| Jul | 4.20 | 4.23 | -0.03 |
| Aug | 4.35 | 4.37 | -0.02 |
| Sep | 4.21 | 4.42 | -0.21 |
| Oct | 3.22 | 3.30 | -0.08 |
| Nov | 3.26 | 3.37 | -0.11 |
| Dec | 3.36 | 3.66 | -0.30 |
44.77 | 45.86 | -1.09 |