| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.70 | -0.20 |
| Feb | 3.23 | 3.30 | -0.07 |
| Mar | 3.55 | 3.75 | -0.20 |
| Apr | 2.87 | 3.06 | -0.19 |
| May | 3.24 | 3.36 | -0.12 |
| Jun | 4.24 | 4.38 | -0.14 |
| Jul | 4.35 | 4.65 | -0.30 |
| Aug | 4.82 | 4.86 | -0.04 |
| Sep | 3.91 | 4.12 | -0.21 |
| Oct | 3.27 | 3.38 | -0.11 |
| Nov | 2.83 | 2.96 | -0.13 |
| Dec | 3.56 | 3.79 | -0.23 |
43.37 | 45.31 | -1.94 |