| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.00 | -0.03 |
| Feb | 1.21 | 1.23 | -0.02 |
| Mar | 2.02 | 1.92 | 0.10 |
| Apr | 2.70 | 2.81 | -0.11 |
| May | 4.17 | 3.83 | 0.34 |
| Jun | 3.70 | 3.46 | 0.24 |
| Jul | 2.26 | 2.36 | -0.10 |
| Aug | 2.57 | 2.39 | 0.18 |
| Sep | 2.75 | 2.62 | 0.13 |
| Oct | 2.62 | 2.67 | -0.05 |
| Nov | 1.65 | 1.51 | 0.14 |
| Dec | 1.37 | 1.27 | 0.10 |
27.99 | 27.07 | 0.92 |