| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.57 | -0.04 |
| Feb | 0.70 | 0.72 | -0.02 |
| Mar | 1.40 | 1.40 | 0.00 |
| Apr | 1.89 | 1.93 | -0.04 |
| May | 3.23 | 3.46 | -0.23 |
| Jun | 3.14 | 3.30 | -0.16 |
| Jul | 3.69 | 3.84 | -0.15 |
| Aug | 3.11 | 3.09 | 0.02 |
| Sep | 1.72 | 1.62 | 0.10 |
| Oct | 1.88 | 1.93 | -0.05 |
| Nov | 0.71 | 0.72 | -0.01 |
| Dec | 0.83 | 0.92 | -0.09 |
22.83 | 23.50 | -0.67 |