| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 3.78 | 0.18 |
| Feb | 3.26 | 3.22 | 0.04 |
| Mar | 3.87 | 3.78 | 0.09 |
| Apr | 3.38 | 3.52 | -0.14 |
| May | 3.87 | 4.18 | -0.31 |
| Jun | 5.02 | 5.09 | -0.07 |
| Jul | 5.70 | 5.73 | -0.03 |
| Aug | 6.30 | 6.26 | 0.04 |
| Sep | 5.85 | 6.04 | -0.19 |
| Oct | 3.75 | 3.80 | -0.05 |
| Nov | 3.40 | 3.47 | -0.07 |
| Dec | 3.63 | 3.58 | 0.05 |
51.99 | 52.45 | -0.46 |