| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.23 | 0.08 |
| Feb | 2.90 | 2.81 | 0.09 |
| Mar | 3.42 | 3.35 | 0.07 |
| Apr | 3.50 | 3.47 | 0.03 |
| May | 3.69 | 3.72 | -0.03 |
| Jun | 4.56 | 4.28 | 0.28 |
| Jul | 4.42 | 4.32 | 0.10 |
| Aug | 4.52 | 4.22 | 0.30 |
| Sep | 4.31 | 4.11 | 0.20 |
| Oct | 4.85 | 4.86 | -0.01 |
| Nov | 3.52 | 3.52 | 0.00 |
| Dec | 4.04 | 3.98 | 0.06 |
47.04 | 45.87 | 1.17 |