| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.02 | 0.15 |
| Feb | 0.89 | 0.80 | 0.09 |
| Mar | 1.14 | 1.11 | 0.03 |
| Apr | 1.68 | 1.73 | -0.05 |
| May | 3.13 | 3.09 | 0.04 |
| Jun | 4.08 | 3.99 | 0.09 |
| Jul | 3.86 | 3.98 | -0.12 |
| Aug | 3.15 | 3.15 | 0.00 |
| Sep | 3.24 | 3.28 | -0.04 |
| Oct | 2.50 | 2.45 | 0.05 |
| Nov | 1.58 | 1.52 | 0.06 |
| Dec | 1.24 | 1.15 | 0.09 |
27.66 | 27.27 | 0.39 |