| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.30 | 0.32 | -0.02 |
| Feb | 0.33 | 0.36 | -0.03 |
| Mar | 0.74 | 0.75 | -0.01 |
| Apr | 1.25 | 1.33 | -0.08 |
| May | 1.59 | 1.62 | -0.03 |
| Jun | 1.48 | 1.46 | 0.02 |
| Jul | 2.38 | 2.30 | 0.08 |
| Aug | 1.89 | 1.81 | 0.08 |
| Sep | 0.87 | 0.86 | 0.01 |
| Oct | 0.93 | 1.00 | -0.07 |
| Nov | 0.42 | 0.37 | 0.05 |
| Dec | 0.32 | 0.40 | -0.08 |
12.50 | 12.58 | -0.08 |