| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.39 | -0.21 |
| Feb | 2.67 | 3.07 | -0.40 |
| Mar | 3.16 | 3.47 | -0.31 |
| Apr | 3.57 | 3.92 | -0.35 |
| May | 4.06 | 4.40 | -0.34 |
| Jun | 4.80 | 4.98 | -0.18 |
| Jul | 4.92 | 4.99 | -0.07 |
| Aug | 4.76 | 4.62 | 0.14 |
| Sep | 4.12 | 4.07 | 0.05 |
| Oct | 4.82 | 5.06 | -0.24 |
| Nov | 3.57 | 4.19 | -0.62 |
| Dec | 3.83 | 4.22 | -0.39 |
47.46 | 50.38 | -2.92 |