| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.02 | 0.05 |
| Feb | 2.30 | 2.22 | 0.08 |
| Mar | 3.05 | 2.94 | 0.11 |
| Apr | 3.03 | 2.79 | 0.24 |
| May | 4.81 | 4.64 | 0.17 |
| Jun | 3.43 | 3.16 | 0.27 |
| Jul | 2.04 | 1.74 | 0.30 |
| Aug | 3.00 | 2.73 | 0.27 |
| Sep | 3.17 | 2.98 | 0.19 |
| Oct | 4.40 | 4.39 | 0.01 |
| Nov | 3.18 | 3.17 | 0.01 |
| Dec | 3.29 | 3.26 | 0.03 |
38.77 | 37.04 | 1.73 |