| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.73 | -0.09 |
| Feb | 1.60 | 1.68 | -0.08 |
| Mar | 2.04 | 1.95 | 0.09 |
| Apr | 3.72 | 3.81 | -0.09 |
| May | 3.83 | 3.92 | -0.09 |
| Jun | 4.50 | 4.74 | -0.24 |
| Jul | 3.54 | 3.57 | -0.03 |
| Aug | 3.77 | 3.79 | -0.02 |
| Sep | 3.29 | 3.30 | -0.01 |
| Oct | 2.87 | 2.83 | 0.04 |
| Nov | 2.15 | 2.18 | -0.03 |
| Dec | 1.88 | 1.98 | -0.10 |
34.83 | 35.48 | -0.65 |