| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.76 | -0.03 |
| Feb | 0.60 | 0.65 | -0.05 |
| Mar | 0.83 | 0.82 | 0.01 |
| Apr | 1.24 | 1.35 | -0.11 |
| May | 3.00 | 3.13 | -0.13 |
| Jun | 4.25 | 4.33 | -0.08 |
| Jul | 3.41 | 3.74 | -0.33 |
| Aug | 3.14 | 3.22 | -0.08 |
| Sep | 2.97 | 3.15 | -0.18 |
| Oct | 2.17 | 2.18 | -0.01 |
| Nov | 1.07 | 1.09 | -0.02 |
| Dec | 0.94 | 0.99 | -0.05 |
24.35 | 25.41 | -1.06 |