| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.55 | 0.57 | -0.02 |
| Feb | 0.62 | 0.73 | -0.11 |
| Mar | 0.98 | 0.87 | 0.11 |
| Apr | 1.24 | 1.20 | 0.04 |
| May | 1.23 | 1.38 | -0.15 |
| Jun | 0.77 | 0.78 | -0.01 |
| Jul | 1.70 | 1.82 | -0.12 |
| Aug | 1.73 | 1.51 | 0.22 |
| Sep | 1.09 | 1.08 | 0.01 |
| Oct | 1.00 | 1.07 | -0.07 |
| Nov | 0.62 | 0.57 | 0.05 |
| Dec | 0.65 | 0.72 | -0.07 |
12.18 | 12.30 | -0.12 |