| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.63 | -0.02 |
| Feb | 0.78 | 0.75 | 0.03 |
| Mar | 1.43 | 1.56 | -0.13 |
| Apr | 2.69 | 2.77 | -0.08 |
| May | 4.84 | 4.92 | -0.08 |
| Jun | 4.14 | 4.20 | -0.06 |
| Jul | 3.55 | 3.49 | 0.06 |
| Aug | 3.50 | 3.55 | -0.05 |
| Sep | 2.43 | 2.48 | -0.05 |
| Oct | 2.23 | 2.25 | -0.02 |
| Nov | 1.25 | 1.26 | -0.01 |
| Dec | 0.92 | 0.98 | -0.06 |
28.37 | 28.84 | -0.47 |