| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.04 | 4.11 | -0.07 |
| Feb | 3.27 | 3.19 | 0.08 |
| Mar | 4.11 | 4.14 | -0.03 |
| Apr | 3.38 | 3.24 | 0.14 |
| May | 3.17 | 3.48 | -0.31 |
| Jun | 7.38 | 7.82 | -0.44 |
| Jul | 6.93 | 7.01 | -0.08 |
| Aug | 6.96 | 7.20 | -0.24 |
| Sep | 5.45 | 5.96 | -0.51 |
| Oct | 2.75 | 2.66 | 0.09 |
| Nov | 1.92 | 1.81 | 0.11 |
| Dec | 2.90 | 2.88 | 0.02 |
52.26 | 53.50 | -1.24 |