| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.99 | -0.31 |
| Feb | 3.24 | 3.57 | -0.33 |
| Mar | 4.20 | 4.62 | -0.42 |
| Apr | 4.29 | 4.70 | -0.41 |
| May | 3.76 | 4.03 | -0.27 |
| Jun | 4.42 | 4.58 | -0.16 |
| Jul | 4.15 | 4.04 | 0.11 |
| Aug | 4.07 | 4.32 | -0.25 |
| Sep | 4.55 | 4.48 | 0.07 |
| Oct | 4.85 | 5.19 | -0.34 |
| Nov | 4.03 | 4.18 | -0.15 |
| Dec | 4.34 | 4.82 | -0.48 |
49.58 | 52.52 | -2.94 |