| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.42 | 4.87 | -0.45 |
| Feb | 4.07 | 4.33 | -0.26 |
| Mar | 4.62 | 4.79 | -0.17 |
| Apr | 3.98 | 4.27 | -0.29 |
| May | 3.87 | 3.99 | -0.12 |
| Jun | 4.38 | 4.44 | -0.06 |
| Jul | 4.21 | 4.55 | -0.34 |
| Aug | 4.65 | 5.13 | -0.48 |
| Sep | 3.92 | 4.13 | -0.21 |
| Oct | 3.61 | 3.78 | -0.17 |
| Nov | 3.76 | 4.07 | -0.31 |
| Dec | 4.77 | 5.17 | -0.40 |
50.26 | 53.52 | -3.26 |