| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.33 | -0.02 |
| Feb | 2.90 | 3.05 | -0.15 |
| Mar | 3.80 | 3.79 | 0.01 |
| Apr | 3.70 | 3.77 | -0.07 |
| May | 4.26 | 4.28 | -0.02 |
| Jun | 4.41 | 4.48 | -0.07 |
| Jul | 4.53 | 4.53 | 0.00 |
| Aug | 3.51 | 3.53 | -0.02 |
| Sep | 3.33 | 3.31 | 0.02 |
| Oct | 2.96 | 2.96 | 0.00 |
| Nov | 2.86 | 2.87 | -0.01 |
| Dec | 3.35 | 3.30 | 0.05 |
42.92 | 43.20 | -0.28 |