| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.97 | 4.08 | -0.11 |
| Feb | 3.56 | 3.51 | 0.05 |
| Mar | 4.70 | 4.78 | -0.08 |
| Apr | 4.40 | 4.57 | -0.17 |
| May | 3.60 | 3.53 | 0.07 |
| Jun | 4.10 | 4.25 | -0.15 |
| Jul | 3.52 | 3.55 | -0.03 |
| Aug | 3.76 | 3.91 | -0.15 |
| Sep | 4.04 | 4.06 | -0.02 |
| Oct | 4.83 | 4.94 | -0.11 |
| Nov | 4.08 | 4.11 | -0.03 |
| Dec | 4.92 | 5.02 | -0.10 |
49.48 | 50.31 | -0.83 |