| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.84 | -0.11 |
| Feb | 3.52 | 3.50 | 0.02 |
| Mar | 3.85 | 4.03 | -0.18 |
| Apr | 2.98 | 2.93 | 0.05 |
| May | 3.21 | 3.26 | -0.05 |
| Jun | 4.39 | 4.42 | -0.03 |
| Jul | 4.37 | 4.22 | 0.15 |
| Aug | 4.48 | 4.85 | -0.37 |
| Sep | 3.96 | 4.08 | -0.12 |
| Oct | 3.26 | 3.45 | -0.19 |
| Nov | 3.01 | 3.20 | -0.19 |
| Dec | 3.90 | 3.99 | -0.09 |
44.66 | 45.77 | -1.11 |