| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.65 | -0.55 |
| Feb | 4.07 | 4.34 | -0.27 |
| Mar | 3.06 | 3.76 | -0.70 |
| Apr | 1.50 | 1.84 | -0.34 |
| May | 1.02 | 1.18 | -0.16 |
| Jun | 0.33 | 0.36 | -0.03 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.04 | 0.06 | -0.02 |
| Sep | 0.16 | 0.16 | 0.00 |
| Oct | 1.21 | 1.24 | -0.03 |
| Nov | 2.22 | 2.47 | -0.25 |
| Dec | 3.78 | 4.54 | -0.76 |
21.49 | 24.60 | -3.11 |