| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.89 | -0.14 |
| Feb | 0.74 | 0.77 | -0.03 |
| Mar | 1.16 | 1.19 | -0.03 |
| Apr | 1.91 | 2.03 | -0.12 |
| May | 3.06 | 3.15 | -0.09 |
| Jun | 4.48 | 4.50 | -0.02 |
| Jul | 3.91 | 4.09 | -0.18 |
| Aug | 3.35 | 3.35 | 0.00 |
| Sep | 2.99 | 3.22 | -0.23 |
| Oct | 2.67 | 2.73 | -0.06 |
| Nov | 1.36 | 1.45 | -0.09 |
| Dec | 1.03 | 1.12 | -0.09 |
27.41 | 28.49 | -1.08 |