| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.92 | -0.18 |
| Feb | 0.78 | 0.87 | -0.09 |
| Mar | 1.57 | 1.67 | -0.10 |
| Apr | 2.87 | 3.10 | -0.23 |
| May | 4.14 | 4.33 | -0.19 |
| Jun | 4.49 | 4.63 | -0.14 |
| Jul | 4.20 | 4.35 | -0.15 |
| Aug | 4.39 | 4.23 | 0.16 |
| Sep | 3.27 | 3.34 | -0.07 |
| Oct | 2.83 | 2.83 | 0.00 |
| Nov | 1.57 | 1.68 | -0.11 |
| Dec | 1.05 | 1.29 | -0.24 |
31.90 | 33.24 | -1.34 |