| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.73 | -0.03 |
| Feb | 0.79 | 0.85 | -0.06 |
| Mar | 1.47 | 1.49 | -0.02 |
| Apr | 2.50 | 2.53 | -0.03 |
| May | 4.61 | 4.62 | -0.01 |
| Jun | 3.95 | 4.02 | -0.07 |
| Jul | 3.90 | 3.87 | 0.03 |
| Aug | 3.32 | 3.32 | 0.00 |
| Sep | 2.49 | 2.54 | -0.05 |
| Oct | 2.18 | 2.15 | 0.03 |
| Nov | 1.26 | 1.22 | 0.04 |
| Dec | 0.97 | 1.00 | -0.03 |
28.14 | 28.34 | -0.20 |