| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.65 | -0.13 |
| Feb | 3.34 | 3.37 | -0.03 |
| Mar | 4.41 | 4.56 | -0.15 |
| Apr | 4.18 | 4.18 | 0.00 |
| May | 3.60 | 3.55 | 0.05 |
| Jun | 4.10 | 4.07 | 0.03 |
| Jul | 3.46 | 3.45 | 0.01 |
| Aug | 3.47 | 3.36 | 0.11 |
| Sep | 3.73 | 3.64 | 0.09 |
| Oct | 4.69 | 4.77 | -0.08 |
| Nov | 3.90 | 3.96 | -0.06 |
| Dec | 4.60 | 4.71 | -0.11 |
47.00 | 47.27 | -0.27 |