| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.77 | -0.40 |
| Feb | 2.83 | 3.14 | -0.31 |
| Mar | 4.07 | 4.29 | -0.22 |
| Apr | 4.05 | 4.20 | -0.15 |
| May | 3.83 | 3.92 | -0.09 |
| Jun | 4.29 | 4.60 | -0.31 |
| Jul | 4.22 | 3.99 | 0.23 |
| Aug | 4.00 | 4.24 | -0.24 |
| Sep | 4.43 | 4.63 | -0.20 |
| Oct | 4.35 | 4.47 | -0.12 |
| Nov | 3.44 | 3.77 | -0.33 |
| Dec | 3.98 | 4.44 | -0.46 |
46.86 | 49.46 | -2.60 |