| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.64 | 11.07 | -1.43 |
| Feb | 8.18 | 9.58 | -1.40 |
| Mar | 7.15 | 8.70 | -1.55 |
| Apr | 3.88 | 4.78 | -0.90 |
| May | 1.85 | 2.16 | -0.31 |
| Jun | 0.57 | 0.83 | -0.26 |
| Jul | 0.03 | 0.08 | -0.05 |
| Aug | 0.14 | 0.11 | 0.03 |
| Sep | 0.37 | 0.58 | -0.21 |
| Oct | 2.72 | 3.15 | -0.43 |
| Nov | 5.57 | 6.75 | -1.18 |
| Dec | 10.25 | 11.80 | -1.55 |
50.35 | 59.59 | -9.24 |