| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.53 | 0.04 |
| Feb | 2.85 | 2.83 | 0.02 |
| Mar | 4.13 | 4.15 | -0.02 |
| Apr | 3.83 | 3.80 | 0.03 |
| May | 4.20 | 3.96 | 0.24 |
| Jun | 4.56 | 4.39 | 0.17 |
| Jul | 5.03 | 4.92 | 0.11 |
| Aug | 4.55 | 4.45 | 0.10 |
| Sep | 4.37 | 4.15 | 0.22 |
| Oct | 4.41 | 4.22 | 0.19 |
| Nov | 3.35 | 3.30 | 0.05 |
| Dec | 4.32 | 4.24 | 0.08 |
49.17 | 47.94 | 1.23 |