| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.90 | -0.28 |
| Feb | 0.82 | 1.14 | -0.32 |
| Mar | 1.71 | 2.19 | -0.48 |
| Apr | 2.55 | 2.97 | -0.42 |
| May | 2.48 | 2.96 | -0.48 |
| Jun | 1.85 | 1.88 | -0.03 |
| Jul | 2.08 | 2.22 | -0.14 |
| Aug | 2.09 | 1.95 | 0.14 |
| Sep | 1.54 | 1.83 | -0.29 |
| Oct | 1.25 | 1.56 | -0.31 |
| Nov | 0.87 | 1.15 | -0.28 |
| Dec | 0.64 | 0.92 | -0.28 |
18.50 | 21.67 | -3.17 |