| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.68 | 0.13 |
| Feb | 0.82 | 0.66 | 0.16 |
| Mar | 1.61 | 1.36 | 0.25 |
| Apr | 2.13 | 2.04 | 0.09 |
| May | 2.11 | 1.98 | 0.13 |
| Jun | 1.60 | 1.31 | 0.29 |
| Jul | 2.60 | 2.45 | 0.15 |
| Aug | 2.52 | 2.40 | 0.12 |
| Sep | 1.22 | 1.01 | 0.21 |
| Oct | 1.32 | 1.14 | 0.18 |
| Nov | 0.97 | 0.82 | 0.15 |
| Dec | 0.77 | 0.70 | 0.07 |
18.48 | 16.55 | 1.93 |