| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.98 | 8.43 | -0.45 |
| Feb | 6.87 | 7.18 | -0.31 |
| Mar | 6.98 | 7.33 | -0.35 |
| Apr | 4.51 | 4.76 | -0.25 |
| May | 2.29 | 2.49 | -0.20 |
| Jun | 0.97 | 1.13 | -0.16 |
| Jul | 0.17 | 0.23 | -0.06 |
| Aug | 0.21 | 0.25 | -0.04 |
| Sep | 0.83 | 0.95 | -0.12 |
| Oct | 3.02 | 3.26 | -0.24 |
| Nov | 6.00 | 6.12 | -0.12 |
| Dec | 9.67 | 10.07 | -0.40 |
49.50 | 52.20 | -2.70 |