| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.74 | -0.06 |
| Feb | 0.67 | 0.75 | -0.08 |
| Mar | 1.18 | 1.28 | -0.10 |
| Apr | 2.05 | 2.12 | -0.07 |
| May | 3.25 | 3.50 | -0.25 |
| Jun | 4.36 | 4.25 | 0.11 |
| Jul | 4.30 | 4.16 | 0.14 |
| Aug | 3.32 | 3.42 | -0.10 |
| Sep | 2.98 | 3.03 | -0.05 |
| Oct | 2.74 | 2.77 | -0.03 |
| Nov | 1.24 | 1.38 | -0.14 |
| Dec | 0.92 | 0.96 | -0.04 |
27.69 | 28.36 | -0.67 |