| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.65 | 5.84 | -0.19 |
| Feb | 4.84 | 5.23 | -0.39 |
| Mar | 5.44 | 5.61 | -0.17 |
| Apr | 5.30 | 5.62 | -0.32 |
| May | 4.90 | 5.10 | -0.20 |
| Jun | 5.20 | 5.96 | -0.76 |
| Jul | 5.26 | 5.56 | -0.30 |
| Aug | 6.22 | 6.70 | -0.48 |
| Sep | 5.50 | 6.45 | -0.95 |
| Oct | 4.84 | 5.07 | -0.23 |
| Nov | 5.05 | 5.18 | -0.13 |
| Dec | 5.60 | 6.56 | -0.96 |
63.80 | 68.88 | -5.08 |