| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.48 | 0.14 |
| Feb | 3.05 | 2.92 | 0.13 |
| Mar | 3.87 | 3.83 | 0.04 |
| Apr | 3.49 | 3.49 | 0.00 |
| May | 3.67 | 3.56 | 0.11 |
| Jun | 4.67 | 4.49 | 0.18 |
| Jul | 5.20 | 5.20 | 0.00 |
| Aug | 4.95 | 5.03 | -0.08 |
| Sep | 5.12 | 5.19 | -0.07 |
| Oct | 3.38 | 3.46 | -0.08 |
| Nov | 3.42 | 3.31 | 0.11 |
| Dec | 3.45 | 3.43 | 0.02 |
47.89 | 47.39 | 0.50 |