| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.06 | 5.33 | -0.27 |
| Feb | 5.17 | 5.10 | 0.07 |
| Mar | 5.26 | 5.65 | -0.39 |
| Apr | 4.15 | 4.36 | -0.21 |
| May | 3.90 | 4.08 | -0.18 |
| Jun | 4.82 | 4.99 | -0.17 |
| Jul | 4.56 | 5.37 | -0.81 |
| Aug | 4.45 | 5.23 | -0.78 |
| Sep | 3.88 | 3.89 | -0.01 |
| Oct | 3.43 | 3.18 | 0.25 |
| Nov | 3.78 | 4.28 | -0.50 |
| Dec | 5.24 | 5.52 | -0.28 |
53.70 | 56.98 | -3.28 |