| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.79 | 2.85 | -0.06 |
| Feb | 2.31 | 2.28 | 0.03 |
| Mar | 3.04 | 3.10 | -0.06 |
| Apr | 3.96 | 3.98 | -0.02 |
| May | 4.37 | 4.27 | 0.10 |
| Jun | 4.50 | 4.55 | -0.05 |
| Jul | 4.33 | 4.32 | 0.01 |
| Aug | 3.51 | 3.45 | 0.06 |
| Sep | 3.14 | 3.15 | -0.01 |
| Oct | 2.79 | 2.79 | 0.00 |
| Nov | 2.94 | 2.92 | 0.02 |
| Dec | 2.88 | 2.90 | -0.02 |
40.56 | 40.56 | 0.00 |