| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.71 | 1.74 | -0.03 |
| Feb | 1.87 | 1.90 | -0.03 |
| Mar | 2.47 | 2.41 | 0.06 |
| Apr | 3.81 | 3.89 | -0.08 |
| May | 5.00 | 4.94 | 0.06 |
| Jun | 4.65 | 4.67 | -0.02 |
| Jul | 3.73 | 3.79 | -0.06 |
| Aug | 3.67 | 3.60 | 0.07 |
| Sep | 3.74 | 3.76 | -0.02 |
| Oct | 2.89 | 2.84 | 0.05 |
| Nov | 2.46 | 2.46 | 0.00 |
| Dec | 2.04 | 2.02 | 0.02 |
38.04 | 38.02 | 0.02 |