| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.94 | -0.11 |
| Feb | 0.81 | 0.87 | -0.06 |
| Mar | 1.61 | 1.66 | -0.05 |
| Apr | 2.90 | 3.03 | -0.13 |
| May | 4.14 | 4.23 | -0.09 |
| Jun | 4.96 | 5.01 | -0.05 |
| Jul | 4.14 | 4.25 | -0.11 |
| Aug | 4.47 | 4.50 | -0.03 |
| Sep | 3.32 | 3.34 | -0.02 |
| Oct | 2.74 | 2.90 | -0.16 |
| Nov | 1.65 | 1.70 | -0.05 |
| Dec | 1.15 | 1.27 | -0.12 |
32.72 | 33.70 | -0.98 |