| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 1.08 | -0.08 |
| Feb | 1.03 | 1.01 | 0.02 |
| Mar | 0.78 | 0.70 | 0.08 |
| Apr | 0.35 | 0.36 | -0.01 |
| May | 0.18 | 0.17 | 0.01 |
| Jun | 0.41 | 0.52 | -0.11 |
| Jul | 3.67 | 3.98 | -0.31 |
| Aug | 3.74 | 3.91 | -0.17 |
| Sep | 1.90 | 1.93 | -0.03 |
| Oct | 0.81 | 0.86 | -0.05 |
| Nov | 0.62 | 0.68 | -0.06 |
| Dec | 1.26 | 1.17 | 0.09 |
15.75 | 16.37 | -0.62 |