| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.80 | 7.49 | 0.31 |
| Feb | 6.03 | 5.61 | 0.42 |
| Mar | 6.46 | 6.16 | 0.30 |
| Apr | 5.42 | 4.88 | 0.54 |
| May | 3.88 | 3.52 | 0.36 |
| Jun | 2.93 | 2.66 | 0.27 |
| Jul | 0.68 | 0.64 | 0.04 |
| Aug | 0.88 | 0.80 | 0.08 |
| Sep | 2.34 | 2.16 | 0.18 |
| Oct | 5.73 | 5.19 | 0.54 |
| Nov | 8.84 | 7.94 | 0.90 |
| Dec | 8.78 | 8.64 | 0.14 |
59.77 | 55.69 | 4.08 |