| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 5.42 | -0.66 |
| Feb | 4.60 | 4.90 | -0.30 |
| Mar | 4.79 | 5.14 | -0.35 |
| Apr | 4.85 | 5.50 | -0.65 |
| May | 3.36 | 3.72 | -0.36 |
| Jun | 6.21 | 6.58 | -0.37 |
| Jul | 6.98 | 7.35 | -0.37 |
| Aug | 7.14 | 7.37 | -0.23 |
| Sep | 6.24 | 6.38 | -0.14 |
| Oct | 4.33 | 4.37 | -0.04 |
| Nov | 4.14 | 4.47 | -0.33 |
| Dec | 4.93 | 5.24 | -0.31 |
62.33 | 66.44 | -4.11 |