| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.19 | -0.18 |
| Feb | 2.44 | 2.77 | -0.33 |
| Mar | 3.31 | 3.37 | -0.06 |
| Apr | 3.46 | 3.50 | -0.04 |
| May | 3.54 | 3.68 | -0.14 |
| Jun | 4.15 | 3.88 | 0.27 |
| Jul | 4.06 | 4.25 | -0.19 |
| Aug | 4.31 | 4.35 | -0.04 |
| Sep | 4.15 | 3.78 | 0.37 |
| Oct | 4.28 | 4.26 | 0.02 |
| Nov | 3.29 | 3.25 | 0.04 |
| Dec | 3.60 | 3.82 | -0.22 |
43.60 | 44.10 | -0.50 |