| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.51 | -0.11 |
| Feb | 3.16 | 3.21 | -0.05 |
| Mar | 4.50 | 4.54 | -0.04 |
| Apr | 5.13 | 5.26 | -0.13 |
| May | 5.22 | 5.26 | -0.04 |
| Jun | 4.50 | 4.46 | 0.04 |
| Jul | 4.31 | 4.37 | -0.06 |
| Aug | 3.06 | 3.09 | -0.03 |
| Sep | 3.52 | 3.54 | -0.02 |
| Oct | 3.41 | 3.45 | -0.04 |
| Nov | 3.96 | 3.98 | -0.02 |
| Dec | 3.86 | 4.01 | -0.15 |
48.03 | 48.68 | -0.65 |