| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.82 | 5.00 | -0.18 |
| Feb | 5.04 | 4.96 | 0.08 |
| Mar | 5.22 | 5.27 | -0.05 |
| Apr | 4.74 | 5.12 | -0.38 |
| May | 4.09 | 4.61 | -0.52 |
| Jun | 4.98 | 4.81 | 0.17 |
| Jul | 4.51 | 5.57 | -1.06 |
| Aug | 4.04 | 3.94 | 0.10 |
| Sep | 3.83 | 4.09 | -0.26 |
| Oct | 3.15 | 3.23 | -0.08 |
| Nov | 4.53 | 4.44 | 0.09 |
| Dec | 5.25 | 5.50 | -0.25 |
54.20 | 56.54 | -2.34 |