| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.56 | 0.00 |
| Feb | 3.06 | 2.92 | 0.14 |
| Mar | 4.05 | 3.99 | 0.06 |
| Apr | 3.67 | 3.63 | 0.04 |
| May | 3.50 | 3.57 | -0.07 |
| Jun | 4.25 | 4.31 | -0.06 |
| Jul | 5.21 | 5.11 | 0.10 |
| Aug | 5.17 | 5.24 | -0.07 |
| Sep | 5.49 | 5.70 | -0.21 |
| Oct | 3.31 | 3.34 | -0.03 |
| Nov | 3.26 | 3.28 | -0.02 |
| Dec | 3.42 | 3.42 | 0.00 |
47.95 | 48.07 | -0.12 |