| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.60 | -0.10 |
| Feb | 2.79 | 2.83 | -0.04 |
| Mar | 4.10 | 4.23 | -0.13 |
| Apr | 3.63 | 3.78 | -0.15 |
| May | 4.02 | 3.98 | 0.04 |
| Jun | 4.32 | 4.53 | -0.21 |
| Jul | 4.86 | 4.82 | 0.04 |
| Aug | 4.30 | 4.46 | -0.16 |
| Sep | 3.96 | 4.11 | -0.15 |
| Oct | 4.13 | 4.08 | 0.05 |
| Nov | 3.25 | 3.34 | -0.09 |
| Dec | 4.29 | 4.36 | -0.07 |
47.15 | 48.12 | -0.97 |