| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.58 | 0.54 | 0.04 |
| Feb | 0.80 | 0.77 | 0.03 |
| Mar | 1.30 | 1.31 | -0.01 |
| Apr | 2.08 | 2.05 | 0.03 |
| May | 3.77 | 3.62 | 0.15 |
| Jun | 3.35 | 3.13 | 0.22 |
| Jul | 3.86 | 3.84 | 0.02 |
| Aug | 3.37 | 3.30 | 0.07 |
| Sep | 2.01 | 2.03 | -0.02 |
| Oct | 1.70 | 1.69 | 0.01 |
| Nov | 0.91 | 0.88 | 0.03 |
| Dec | 0.83 | 0.84 | -0.01 |
24.56 | 24.00 | 0.56 |