| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.65 | 0.05 |
| Feb | 3.45 | 3.47 | -0.02 |
| Mar | 3.87 | 3.85 | 0.02 |
| Apr | 3.58 | 3.54 | 0.04 |
| May | 4.16 | 4.20 | -0.04 |
| Jun | 5.56 | 5.35 | 0.21 |
| Jul | 6.17 | 5.96 | 0.21 |
| Aug | 6.96 | 6.85 | 0.11 |
| Sep | 7.24 | 7.23 | 0.01 |
| Oct | 4.11 | 3.83 | 0.28 |
| Nov | 3.61 | 3.48 | 0.13 |
| Dec | 3.54 | 3.54 | 0.00 |
55.95 | 54.95 | 1.00 |