| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.89 | -0.13 |
| Feb | 0.74 | 0.77 | -0.03 |
| Mar | 1.18 | 1.20 | -0.02 |
| Apr | 1.92 | 2.02 | -0.10 |
| May | 3.06 | 3.15 | -0.09 |
| Jun | 4.49 | 4.50 | -0.01 |
| Jul | 3.93 | 4.10 | -0.17 |
| Aug | 3.31 | 3.33 | -0.02 |
| Sep | 2.96 | 3.19 | -0.23 |
| Oct | 2.67 | 2.69 | -0.02 |
| Nov | 1.37 | 1.44 | -0.07 |
| Dec | 1.03 | 1.10 | -0.07 |
27.42 | 28.38 | -0.96 |