| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.30 | 0.02 |
| Feb | 3.12 | 3.00 | 0.12 |
| Mar | 3.34 | 3.40 | -0.06 |
| Apr | 3.22 | 3.22 | 0.00 |
| May | 3.10 | 3.00 | 0.10 |
| Jun | 5.26 | 5.49 | -0.23 |
| Jul | 5.84 | 5.41 | 0.43 |
| Aug | 6.43 | 6.65 | -0.22 |
| Sep | 4.57 | 4.62 | -0.05 |
| Oct | 4.07 | 3.85 | 0.22 |
| Nov | 2.55 | 2.46 | 0.09 |
| Dec | 3.10 | 3.24 | -0.14 |
47.92 | 47.64 | 0.28 |