| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.69 | -0.05 |
| Feb | 3.89 | 3.96 | -0.07 |
| Mar | 4.73 | 4.80 | -0.07 |
| Apr | 5.20 | 5.23 | -0.03 |
| May | 5.42 | 5.11 | 0.31 |
| Jun | 3.52 | 3.50 | 0.02 |
| Jul | 3.96 | 3.89 | 0.07 |
| Aug | 3.55 | 3.42 | 0.13 |
| Sep | 3.27 | 3.29 | -0.02 |
| Oct | 3.79 | 4.07 | -0.28 |
| Nov | 4.44 | 4.62 | -0.18 |
| Dec | 4.41 | 4.58 | -0.17 |
49.82 | 50.16 | -0.34 |