| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.31 | 2.32 | -0.01 |
| Feb | 2.08 | 2.12 | -0.04 |
| Mar | 3.07 | 3.02 | 0.05 |
| Apr | 4.32 | 4.25 | 0.07 |
| May | 4.80 | 5.00 | -0.20 |
| Jun | 4.44 | 4.71 | -0.27 |
| Jul | 4.12 | 3.90 | 0.22 |
| Aug | 3.62 | 3.30 | 0.32 |
| Sep | 3.46 | 3.50 | -0.04 |
| Oct | 3.17 | 3.32 | -0.15 |
| Nov | 3.21 | 3.31 | -0.10 |
| Dec | 2.39 | 2.39 | 0.00 |
40.99 | 41.14 | -0.15 |