| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.91 | 2.92 | -0.01 |
| Feb | 2.41 | 2.35 | 0.06 |
| Mar | 3.27 | 3.16 | 0.11 |
| Apr | 2.96 | 2.87 | 0.09 |
| May | 4.56 | 4.61 | -0.05 |
| Jun | 3.26 | 3.29 | -0.03 |
| Jul | 1.75 | 1.96 | -0.21 |
| Aug | 2.50 | 2.40 | 0.10 |
| Sep | 3.18 | 3.16 | 0.02 |
| Oct | 4.33 | 4.30 | 0.03 |
| Nov | 3.03 | 3.08 | -0.05 |
| Dec | 3.10 | 3.20 | -0.10 |
37.26 | 37.30 | -0.04 |