| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 4.19 | -0.26 |
| Feb | 3.64 | 3.79 | -0.15 |
| Mar | 4.04 | 4.30 | -0.26 |
| Apr | 3.20 | 3.23 | -0.03 |
| May | 3.29 | 3.31 | -0.02 |
| Jun | 5.20 | 5.16 | 0.04 |
| Jul | 4.67 | 4.82 | -0.15 |
| Aug | 4.79 | 5.09 | -0.30 |
| Sep | 4.05 | 4.24 | -0.19 |
| Oct | 3.25 | 3.23 | 0.02 |
| Nov | 3.05 | 3.18 | -0.13 |
| Dec | 4.02 | 4.01 | 0.01 |
47.13 | 48.55 | -1.42 |