| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.78 | 3.83 | -0.05 |
| Feb | 3.55 | 3.53 | 0.02 |
| Mar | 3.94 | 3.99 | -0.05 |
| Apr | 3.04 | 2.92 | 0.12 |
| May | 3.13 | 3.20 | -0.07 |
| Jun | 4.37 | 4.38 | -0.01 |
| Jul | 4.21 | 4.12 | 0.09 |
| Aug | 4.38 | 4.69 | -0.31 |
| Sep | 3.89 | 3.99 | -0.10 |
| Oct | 3.28 | 3.35 | -0.07 |
| Nov | 3.10 | 3.22 | -0.12 |
| Dec | 3.98 | 4.00 | -0.02 |
44.65 | 45.22 | -0.57 |