| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 4.11 | -0.27 |
| Feb | 3.42 | 3.57 | -0.15 |
| Mar | 4.85 | 5.29 | -0.44 |
| Apr | 4.32 | 4.64 | -0.32 |
| May | 3.46 | 3.46 | 0.00 |
| Jun | 3.73 | 3.84 | -0.11 |
| Jul | 3.18 | 3.24 | -0.06 |
| Aug | 3.73 | 3.83 | -0.10 |
| Sep | 3.93 | 3.92 | 0.01 |
| Oct | 4.57 | 4.66 | -0.09 |
| Nov | 4.06 | 4.21 | -0.15 |
| Dec | 4.71 | 5.02 | -0.31 |
47.80 | 49.79 | -1.99 |