| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.45 | 0.13 |
| Feb | 1.13 | 1.09 | 0.04 |
| Mar | 1.77 | 1.56 | 0.21 |
| Apr | 3.06 | 2.82 | 0.24 |
| May | 3.43 | 3.30 | 0.13 |
| Jun | 3.73 | 3.64 | 0.09 |
| Jul | 3.20 | 3.31 | -0.11 |
| Aug | 3.34 | 3.48 | -0.14 |
| Sep | 2.90 | 2.97 | -0.07 |
| Oct | 3.01 | 2.97 | 0.04 |
| Nov | 2.19 | 2.26 | -0.07 |
| Dec | 1.73 | 1.50 | 0.23 |
31.07 | 30.35 | 0.72 |