| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.97 | 9.76 | -1.79 |
| Feb | 6.02 | 6.92 | -0.90 |
| Mar | 5.60 | 6.65 | -1.05 |
| Apr | 3.92 | 4.47 | -0.55 |
| May | 2.29 | 2.63 | -0.34 |
| Jun | 1.29 | 1.62 | -0.33 |
| Jul | 0.28 | 0.31 | -0.03 |
| Aug | 0.49 | 0.52 | -0.03 |
| Sep | 1.46 | 1.67 | -0.21 |
| Oct | 4.11 | 4.74 | -0.63 |
| Nov | 7.63 | 9.26 | -1.63 |
| Dec | 9.70 | 11.42 | -1.72 |
50.76 | 59.97 | -9.21 |