| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.71 | -0.06 |
| Feb | 0.65 | 0.72 | -0.07 |
| Mar | 1.19 | 1.31 | -0.12 |
| Apr | 2.08 | 2.22 | -0.14 |
| May | 3.35 | 3.41 | -0.06 |
| Jun | 4.30 | 4.28 | 0.02 |
| Jul | 4.32 | 4.29 | 0.03 |
| Aug | 3.38 | 3.16 | 0.22 |
| Sep | 2.88 | 2.83 | 0.05 |
| Oct | 2.70 | 2.75 | -0.05 |
| Nov | 1.23 | 1.26 | -0.03 |
| Dec | 0.89 | 0.92 | -0.03 |
27.62 | 27.86 | -0.24 |