| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.79 | -0.07 |
| Feb | 1.69 | 1.77 | -0.08 |
| Mar | 2.20 | 2.20 | 0.00 |
| Apr | 3.67 | 3.70 | -0.03 |
| May | 4.17 | 4.21 | -0.04 |
| Jun | 4.56 | 4.61 | -0.05 |
| Jul | 3.60 | 3.63 | -0.03 |
| Aug | 3.69 | 3.61 | 0.08 |
| Sep | 3.49 | 3.46 | 0.03 |
| Oct | 3.00 | 2.98 | 0.02 |
| Nov | 2.39 | 2.38 | 0.01 |
| Dec | 1.98 | 2.01 | -0.03 |
36.16 | 36.35 | -0.19 |