| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.41 | -0.03 |
| Feb | 2.86 | 2.88 | -0.02 |
| Mar | 3.51 | 3.44 | 0.07 |
| Apr | 2.93 | 2.84 | 0.09 |
| May | 3.50 | 3.42 | 0.08 |
| Jun | 7.62 | 7.66 | -0.04 |
| Jul | 6.78 | 6.89 | -0.11 |
| Aug | 7.22 | 7.05 | 0.17 |
| Sep | 6.14 | 5.99 | 0.15 |
| Oct | 3.34 | 3.34 | 0.00 |
| Nov | 2.04 | 2.03 | 0.01 |
| Dec | 2.99 | 2.81 | 0.18 |
52.31 | 51.76 | 0.55 |