| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.45 | -0.04 |
| Feb | 2.96 | 2.96 | 0.00 |
| Mar | 4.09 | 4.16 | -0.07 |
| Apr | 3.41 | 3.42 | -0.01 |
| May | 3.59 | 3.84 | -0.25 |
| Jun | 3.81 | 3.88 | -0.07 |
| Jul | 4.34 | 4.22 | 0.12 |
| Aug | 4.86 | 4.64 | 0.22 |
| Sep | 4.20 | 4.65 | -0.45 |
| Oct | 4.03 | 4.44 | -0.41 |
| Nov | 3.35 | 3.34 | 0.01 |
| Dec | 3.83 | 3.98 | -0.15 |
45.88 | 46.98 | -1.10 |