| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.52 | -0.14 |
| Feb | 2.87 | 3.07 | -0.20 |
| Mar | 3.66 | 3.77 | -0.11 |
| Apr | 3.36 | 3.56 | -0.20 |
| May | 3.76 | 3.82 | -0.06 |
| Jun | 4.34 | 4.34 | 0.00 |
| Jul | 5.44 | 5.27 | 0.17 |
| Aug | 5.20 | 5.27 | -0.07 |
| Sep | 4.95 | 4.65 | 0.30 |
| Oct | 3.87 | 4.15 | -0.28 |
| Nov | 2.95 | 3.26 | -0.31 |
| Dec | 3.29 | 3.60 | -0.31 |
47.07 | 48.28 | -1.21 |