| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.89 | 4.99 | -0.10 |
| Feb | 4.50 | 4.58 | -0.08 |
| Mar | 4.81 | 4.93 | -0.12 |
| Apr | 4.15 | 4.31 | -0.16 |
| May | 3.83 | 3.93 | -0.10 |
| Jun | 4.58 | 4.36 | 0.22 |
| Jul | 4.46 | 4.21 | 0.25 |
| Aug | 4.99 | 5.42 | -0.43 |
| Sep | 4.11 | 4.23 | -0.12 |
| Oct | 3.82 | 4.02 | -0.20 |
| Nov | 3.98 | 4.14 | -0.16 |
| Dec | 5.05 | 5.35 | -0.30 |
53.17 | 54.47 | -1.30 |