| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 0.97 | -0.03 |
| Feb | 1.50 | 1.43 | 0.07 |
| Mar | 2.54 | 2.58 | -0.04 |
| Apr | 3.70 | 3.64 | 0.06 |
| May | 5.46 | 5.85 | -0.39 |
| Jun | 5.48 | 5.50 | -0.02 |
| Jul | 4.16 | 3.96 | 0.20 |
| Aug | 3.98 | 4.00 | -0.02 |
| Sep | 3.42 | 3.39 | 0.03 |
| Oct | 3.37 | 3.33 | 0.04 |
| Nov | 2.01 | 2.00 | 0.01 |
| Dec | 1.48 | 1.50 | -0.02 |
38.04 | 38.15 | -0.11 |