| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.77 | 4.01 | -0.24 |
| Feb | 3.27 | 3.48 | -0.21 |
| Mar | 4.75 | 5.04 | -0.29 |
| Apr | 4.26 | 4.55 | -0.29 |
| May | 3.49 | 3.53 | -0.04 |
| Jun | 3.77 | 3.98 | -0.21 |
| Jul | 3.21 | 3.35 | -0.14 |
| Aug | 3.70 | 3.96 | -0.26 |
| Sep | 3.93 | 4.15 | -0.22 |
| Oct | 4.67 | 4.72 | -0.05 |
| Nov | 3.93 | 4.14 | -0.21 |
| Dec | 4.66 | 4.95 | -0.29 |
47.41 | 49.86 | -2.45 |