| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.88 | 6.55 | -0.67 |
| Feb | 3.92 | 4.10 | -0.18 |
| Mar | 4.32 | 4.69 | -0.37 |
| Apr | 2.91 | 2.96 | -0.05 |
| May | 1.90 | 1.98 | -0.08 |
| Jun | 1.40 | 1.58 | -0.18 |
| Jul | 0.70 | 0.74 | -0.04 |
| Aug | 0.93 | 0.96 | -0.03 |
| Sep | 1.60 | 1.60 | 0.00 |
| Oct | 3.77 | 4.01 | -0.24 |
| Nov | 6.26 | 6.65 | -0.39 |
| Dec | 6.26 | 6.55 | -0.29 |
39.85 | 42.37 | -2.52 |