| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.57 | -0.15 |
| Feb | 0.48 | 0.61 | -0.13 |
| Mar | 1.06 | 1.42 | -0.36 |
| Apr | 1.83 | 2.05 | -0.22 |
| May | 2.32 | 2.33 | -0.01 |
| Jun | 1.90 | 2.10 | -0.20 |
| Jul | 2.23 | 2.38 | -0.15 |
| Aug | 1.95 | 2.22 | -0.27 |
| Sep | 1.20 | 1.42 | -0.22 |
| Oct | 0.98 | 1.10 | -0.12 |
| Nov | 0.69 | 0.85 | -0.16 |
| Dec | 0.45 | 0.55 | -0.10 |
15.51 | 17.60 | -2.09 |