| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.02 | -0.01 |
| Feb | 2.28 | 2.33 | -0.05 |
| Mar | 3.18 | 3.20 | -0.02 |
| Apr | 4.10 | 4.09 | 0.01 |
| May | 4.46 | 4.44 | 0.02 |
| Jun | 4.28 | 4.39 | -0.11 |
| Jul | 4.33 | 4.31 | 0.02 |
| Aug | 3.15 | 3.15 | 0.00 |
| Sep | 3.16 | 3.08 | 0.08 |
| Oct | 2.80 | 2.82 | -0.02 |
| Nov | 3.07 | 3.07 | 0.00 |
| Dec | 2.95 | 2.98 | -0.03 |
40.77 | 40.88 | -0.11 |