| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.24 | 5.31 | -0.07 |
| Feb | 5.24 | 5.34 | -0.10 |
| Mar | 5.52 | 5.52 | 0.00 |
| Apr | 4.72 | 4.66 | 0.06 |
| May | 4.03 | 4.09 | -0.06 |
| Jun | 4.70 | 4.63 | 0.07 |
| Jul | 4.91 | 4.92 | -0.01 |
| Aug | 4.27 | 4.54 | -0.27 |
| Sep | 3.77 | 3.60 | 0.17 |
| Oct | 3.24 | 3.18 | 0.06 |
| Nov | 4.34 | 4.27 | 0.07 |
| Dec | 5.54 | 5.40 | 0.14 |
55.52 | 55.46 | 0.06 |