| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.90 | 5.05 | -0.15 |
| Feb | 5.04 | 4.76 | 0.28 |
| Mar | 5.26 | 5.52 | -0.26 |
| Apr | 4.98 | 4.83 | 0.15 |
| May | 4.15 | 4.37 | -0.22 |
| Jun | 4.50 | 4.75 | -0.25 |
| Jul | 4.57 | 5.12 | -0.55 |
| Aug | 4.05 | 3.84 | 0.21 |
| Sep | 4.37 | 4.67 | -0.30 |
| Oct | 3.23 | 3.37 | -0.14 |
| Nov | 4.57 | 4.48 | 0.09 |
| Dec | 5.39 | 5.61 | -0.22 |
55.01 | 56.37 | -1.36 |