| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 4.83 | -0.07 |
| Feb | 4.81 | 4.92 | -0.11 |
| Mar | 5.09 | 5.05 | 0.04 |
| Apr | 4.23 | 4.26 | -0.03 |
| May | 3.84 | 3.75 | 0.09 |
| Jun | 4.30 | 4.22 | 0.08 |
| Jul | 4.96 | 4.91 | 0.05 |
| Aug | 4.14 | 4.40 | -0.26 |
| Sep | 3.71 | 3.80 | -0.09 |
| Oct | 3.26 | 3.23 | 0.03 |
| Nov | 4.15 | 4.15 | 0.00 |
| Dec | 4.85 | 4.89 | -0.04 |
52.10 | 52.41 | -0.31 |