| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.41 | 5.19 | 0.22 |
| Feb | 5.30 | 5.04 | 0.26 |
| Mar | 3.98 | 3.76 | 0.22 |
| Apr | 1.93 | 1.99 | -0.06 |
| May | 0.87 | 0.96 | -0.09 |
| Jun | 0.24 | 0.33 | -0.09 |
| Jul | 0.02 | 0.08 | -0.06 |
| Aug | 0.07 | 0.15 | -0.08 |
| Sep | 0.13 | 0.18 | -0.05 |
| Oct | 1.28 | 1.21 | 0.07 |
| Nov | 2.79 | 2.48 | 0.31 |
| Dec | 5.76 | 5.31 | 0.45 |
27.78 | 26.68 | 1.10 |