| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.58 | 0.04 |
| Feb | 0.67 | 0.62 | 0.05 |
| Mar | 1.10 | 1.01 | 0.09 |
| Apr | 2.24 | 2.20 | 0.04 |
| May | 3.22 | 3.19 | 0.03 |
| Jun | 4.01 | 3.96 | 0.05 |
| Jul | 3.54 | 3.45 | 0.09 |
| Aug | 2.83 | 2.77 | 0.06 |
| Sep | 2.60 | 2.57 | 0.03 |
| Oct | 2.20 | 2.15 | 0.05 |
| Nov | 0.83 | 0.79 | 0.04 |
| Dec | 0.70 | 0.67 | 0.03 |
24.56 | 23.96 | 0.60 |