| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.74 | -0.15 |
| Feb | 0.62 | 0.79 | -0.17 |
| Mar | 1.29 | 1.58 | -0.29 |
| Apr | 1.75 | 1.98 | -0.23 |
| May | 1.74 | 1.89 | -0.15 |
| Jun | 1.25 | 1.16 | 0.09 |
| Jul | 2.45 | 2.33 | 0.12 |
| Aug | 2.21 | 2.16 | 0.05 |
| Sep | 1.02 | 0.90 | 0.12 |
| Oct | 1.14 | 1.25 | -0.11 |
| Nov | 0.81 | 0.88 | -0.07 |
| Dec | 0.69 | 0.89 | -0.20 |
15.56 | 16.55 | -0.99 |