| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.83 | -0.10 |
| Feb | 1.75 | 1.95 | -0.20 |
| Mar | 1.95 | 2.22 | -0.27 |
| Apr | 2.36 | 2.58 | -0.22 |
| May | 1.87 | 1.96 | -0.09 |
| Jun | 1.18 | 1.17 | 0.01 |
| Jul | 1.70 | 1.55 | 0.15 |
| Aug | 1.67 | 1.55 | 0.12 |
| Sep | 1.55 | 1.48 | 0.07 |
| Oct | 1.59 | 1.64 | -0.05 |
| Nov | 1.62 | 1.84 | -0.22 |
| Dec | 1.60 | 1.78 | -0.18 |
20.57 | 21.55 | -0.98 |