| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.23 | 10.01 | 0.22 |
| Feb | 7.93 | 7.66 | 0.27 |
| Mar | 8.09 | 7.29 | 0.80 |
| Apr | 5.33 | 5.42 | -0.09 |
| May | 2.99 | 3.01 | -0.02 |
| Jun | 1.72 | 1.87 | -0.15 |
| Jul | 0.42 | 0.41 | 0.01 |
| Aug | 0.52 | 0.55 | -0.03 |
| Sep | 1.87 | 1.90 | -0.03 |
| Oct | 5.34 | 5.37 | -0.03 |
| Nov | 9.85 | 9.88 | -0.03 |
| Dec | 12.19 | 12.19 | 0.00 |
66.48 | 65.56 | 0.92 |