| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.62 | -0.08 |
| Feb | 0.50 | 0.59 | -0.09 |
| Mar | 0.85 | 0.88 | -0.03 |
| Apr | 1.31 | 1.20 | 0.11 |
| May | 2.82 | 2.82 | 0.00 |
| Jun | 4.03 | 3.92 | 0.11 |
| Jul | 3.55 | 3.43 | 0.12 |
| Aug | 2.69 | 2.86 | -0.17 |
| Sep | 2.60 | 2.58 | 0.02 |
| Oct | 1.96 | 2.04 | -0.08 |
| Nov | 0.84 | 0.84 | 0.00 |
| Dec | 0.72 | 0.80 | -0.08 |
22.41 | 22.58 | -0.17 |