| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.74 | -0.06 |
| Feb | 0.67 | 0.75 | -0.08 |
| Mar | 1.19 | 1.29 | -0.10 |
| Apr | 2.07 | 2.09 | -0.02 |
| May | 3.28 | 3.57 | -0.29 |
| Jun | 4.35 | 4.22 | 0.13 |
| Jul | 4.32 | 4.14 | 0.18 |
| Aug | 3.33 | 3.37 | -0.04 |
| Sep | 2.96 | 3.03 | -0.07 |
| Oct | 2.74 | 2.77 | -0.03 |
| Nov | 1.25 | 1.36 | -0.11 |
| Dec | 0.92 | 0.95 | -0.03 |
27.76 | 28.28 | -0.52 |