| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.37 | -0.10 |
| Feb | 3.38 | 3.56 | -0.18 |
| Mar | 4.16 | 4.21 | -0.05 |
| Apr | 4.06 | 4.04 | 0.02 |
| May | 4.72 | 4.63 | 0.09 |
| Jun | 4.74 | 4.83 | -0.09 |
| Jul | 5.22 | 5.11 | 0.11 |
| Aug | 4.00 | 3.82 | 0.18 |
| Sep | 3.39 | 3.66 | -0.27 |
| Oct | 3.18 | 3.17 | 0.01 |
| Nov | 2.94 | 3.02 | -0.08 |
| Dec | 3.86 | 4.08 | -0.22 |
46.92 | 47.50 | -0.58 |