| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.72 | 5.74 | -0.02 |
| Feb | 4.30 | 4.23 | 0.07 |
| Mar | 4.19 | 4.26 | -0.07 |
| Apr | 4.72 | 4.96 | -0.24 |
| May | 5.77 | 5.79 | -0.02 |
| Jun | 6.94 | 6.98 | -0.04 |
| Jul | 6.47 | 6.29 | 0.18 |
| Aug | 6.84 | 6.63 | 0.21 |
| Sep | 5.15 | 5.16 | -0.01 |
| Oct | 4.39 | 4.42 | -0.03 |
| Nov | 4.02 | 4.12 | -0.10 |
| Dec | 4.90 | 4.87 | 0.03 |
63.41 | 63.45 | -0.04 |