| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.57 | -0.17 |
| Feb | 2.83 | 2.82 | 0.01 |
| Mar | 4.03 | 4.32 | -0.29 |
| Apr | 3.67 | 3.63 | 0.04 |
| May | 3.71 | 3.68 | 0.03 |
| Jun | 4.31 | 4.21 | 0.10 |
| Jul | 4.74 | 4.75 | -0.01 |
| Aug | 4.44 | 4.75 | -0.31 |
| Sep | 3.97 | 3.98 | -0.01 |
| Oct | 3.81 | 4.05 | -0.24 |
| Nov | 3.21 | 3.25 | -0.04 |
| Dec | 4.10 | 4.36 | -0.26 |
46.22 | 47.37 | -1.15 |