| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.88 | 5.06 | -0.18 |
| Feb | 4.99 | 5.23 | -0.24 |
| Mar | 5.11 | 5.42 | -0.31 |
| Apr | 4.65 | 4.77 | -0.12 |
| May | 3.42 | 3.76 | -0.34 |
| Jun | 5.28 | 5.96 | -0.68 |
| Jul | 6.29 | 6.52 | -0.23 |
| Aug | 5.78 | 5.90 | -0.12 |
| Sep | 5.23 | 4.94 | 0.29 |
| Oct | 3.18 | 3.21 | -0.03 |
| Nov | 3.92 | 4.07 | -0.15 |
| Dec | 5.07 | 5.08 | -0.01 |
57.80 | 59.92 | -2.12 |