| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.47 | -0.21 |
| Feb | 3.06 | 3.17 | -0.11 |
| Mar | 3.34 | 3.44 | -0.10 |
| Apr | 3.25 | 3.22 | 0.03 |
| May | 3.11 | 3.12 | -0.01 |
| Jun | 5.45 | 5.67 | -0.22 |
| Jul | 5.64 | 6.25 | -0.61 |
| Aug | 6.27 | 6.92 | -0.65 |
| Sep | 5.20 | 5.56 | -0.36 |
| Oct | 4.30 | 4.40 | -0.10 |
| Nov | 2.75 | 2.84 | -0.09 |
| Dec | 3.22 | 3.58 | -0.36 |
48.85 | 51.64 | -2.79 |