| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.63 | 4.67 | -0.04 |
| Feb | 4.05 | 4.20 | -0.15 |
| Mar | 4.81 | 4.93 | -0.12 |
| Apr | 3.80 | 3.77 | 0.03 |
| May | 3.06 | 3.21 | -0.15 |
| Jun | 6.49 | 7.15 | -0.66 |
| Jul | 6.73 | 6.88 | -0.15 |
| Aug | 6.50 | 7.46 | -0.96 |
| Sep | 5.20 | 5.23 | -0.03 |
| Oct | 3.32 | 3.15 | 0.17 |
| Nov | 3.02 | 3.17 | -0.15 |
| Dec | 3.98 | 4.08 | -0.10 |
55.59 | 57.90 | -2.31 |