| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.59 | 0.02 |
| Feb | 0.81 | 0.81 | 0.00 |
| Mar | 1.62 | 1.62 | 0.00 |
| Apr | 3.00 | 3.00 | 0.00 |
| May | 4.05 | 4.28 | -0.23 |
| Jun | 4.05 | 4.19 | -0.14 |
| Jul | 3.17 | 3.37 | -0.20 |
| Aug | 3.52 | 3.93 | -0.41 |
| Sep | 2.62 | 2.54 | 0.08 |
| Oct | 2.41 | 2.38 | 0.03 |
| Nov | 1.17 | 1.22 | -0.05 |
| Dec | 0.83 | 0.85 | -0.02 |
27.86 | 28.78 | -0.92 |