| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 1.15 | -0.12 |
| Feb | 0.98 | 1.13 | -0.15 |
| Mar | 1.46 | 1.53 | -0.07 |
| Apr | 2.46 | 2.63 | -0.17 |
| May | 3.15 | 3.27 | -0.12 |
| Jun | 4.19 | 4.43 | -0.24 |
| Jul | 3.77 | 3.85 | -0.08 |
| Aug | 3.28 | 3.43 | -0.15 |
| Sep | 3.29 | 3.57 | -0.28 |
| Oct | 2.98 | 3.15 | -0.17 |
| Nov | 1.92 | 2.15 | -0.23 |
| Dec | 1.45 | 1.70 | -0.25 |
29.96 | 31.99 | -2.03 |