| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.59 | 8.21 | -0.62 |
| Feb | 5.75 | 6.11 | -0.36 |
| Mar | 5.46 | 5.82 | -0.36 |
| Apr | 3.78 | 4.07 | -0.29 |
| May | 2.17 | 2.47 | -0.30 |
| Jun | 1.20 | 1.38 | -0.18 |
| Jul | 0.26 | 0.31 | -0.05 |
| Aug | 0.42 | 0.41 | 0.01 |
| Sep | 1.44 | 1.61 | -0.17 |
| Oct | 3.92 | 4.14 | -0.22 |
| Nov | 7.38 | 8.43 | -1.05 |
| Dec | 9.28 | 9.81 | -0.53 |
48.65 | 52.77 | -4.12 |