| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.37 | -0.05 |
| Feb | 3.02 | 3.04 | -0.02 |
| Mar | 4.34 | 4.39 | -0.05 |
| Apr | 3.42 | 3.50 | -0.08 |
| May | 3.28 | 3.44 | -0.16 |
| Jun | 3.69 | 3.64 | 0.05 |
| Jul | 4.32 | 4.26 | 0.06 |
| Aug | 4.69 | 4.47 | 0.22 |
| Sep | 3.88 | 3.92 | -0.04 |
| Oct | 4.12 | 4.23 | -0.11 |
| Nov | 3.34 | 3.32 | 0.02 |
| Dec | 4.18 | 4.20 | -0.02 |
45.60 | 45.78 | -0.18 |