| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.80 | -0.22 |
| Feb | 3.10 | 3.30 | -0.20 |
| Mar | 4.28 | 4.34 | -0.06 |
| Apr | 4.24 | 4.38 | -0.14 |
| May | 3.92 | 4.04 | -0.12 |
| Jun | 4.51 | 4.56 | -0.05 |
| Jul | 4.41 | 4.35 | 0.06 |
| Aug | 4.28 | 4.50 | -0.22 |
| Sep | 4.63 | 4.63 | 0.00 |
| Oct | 4.83 | 4.83 | 0.00 |
| Nov | 4.03 | 3.99 | 0.04 |
| Dec | 4.36 | 4.59 | -0.23 |
50.17 | 51.31 | -1.14 |