| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.98 | 8.32 | -0.34 |
| Feb | 6.87 | 7.11 | -0.24 |
| Mar | 6.98 | 7.21 | -0.23 |
| Apr | 4.51 | 4.69 | -0.18 |
| May | 2.29 | 2.39 | -0.10 |
| Jun | 0.97 | 1.09 | -0.12 |
| Jul | 0.17 | 0.22 | -0.05 |
| Aug | 0.21 | 0.24 | -0.03 |
| Sep | 0.83 | 0.92 | -0.09 |
| Oct | 3.02 | 3.19 | -0.17 |
| Nov | 6.00 | 6.05 | -0.05 |
| Dec | 9.67 | 9.98 | -0.31 |
49.50 | 51.41 | -1.91 |