| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.08 | -0.10 |
| Feb | 2.21 | 2.41 | -0.20 |
| Mar | 2.67 | 2.85 | -0.18 |
| Apr | 3.39 | 3.40 | -0.01 |
| May | 3.28 | 3.21 | 0.07 |
| Jun | 3.39 | 3.53 | -0.14 |
| Jul | 3.52 | 3.23 | 0.29 |
| Aug | 3.30 | 3.15 | 0.15 |
| Sep | 3.95 | 3.93 | 0.02 |
| Oct | 3.80 | 3.92 | -0.12 |
| Nov | 3.31 | 3.43 | -0.12 |
| Dec | 3.42 | 3.44 | -0.02 |
39.22 | 39.58 | -0.36 |