| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.60 | -0.03 |
| Feb | 3.12 | 3.00 | 0.12 |
| Mar | 3.93 | 3.99 | -0.06 |
| Apr | 3.51 | 3.56 | -0.05 |
| May | 3.71 | 3.70 | 0.01 |
| Jun | 4.52 | 4.50 | 0.02 |
| Jul | 5.04 | 5.40 | -0.36 |
| Aug | 5.10 | 5.07 | 0.03 |
| Sep | 5.46 | 5.62 | -0.16 |
| Oct | 3.35 | 3.34 | 0.01 |
| Nov | 3.40 | 3.36 | 0.04 |
| Dec | 3.50 | 3.46 | 0.04 |
48.21 | 48.60 | -0.39 |