| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.46 | 5.18 | 0.28 |
| Feb | 4.92 | 4.68 | 0.24 |
| Mar | 5.24 | 4.87 | 0.37 |
| Apr | 4.97 | 4.48 | 0.49 |
| May | 4.26 | 4.35 | -0.09 |
| Jun | 5.21 | 5.25 | -0.04 |
| Jul | 5.11 | 4.89 | 0.22 |
| Aug | 5.09 | 4.40 | 0.69 |
| Sep | 4.07 | 4.08 | -0.01 |
| Oct | 3.64 | 3.29 | 0.35 |
| Nov | 4.39 | 4.18 | 0.21 |
| Dec | 5.80 | 5.30 | 0.50 |
58.16 | 54.95 | 3.21 |