| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.23 | -0.09 |
| Feb | 2.42 | 2.86 | -0.44 |
| Mar | 3.55 | 3.86 | -0.31 |
| Apr | 3.56 | 3.75 | -0.19 |
| May | 4.50 | 4.79 | -0.29 |
| Jun | 4.82 | 4.76 | 0.06 |
| Jul | 4.28 | 4.40 | -0.12 |
| Aug | 4.04 | 3.93 | 0.11 |
| Sep | 4.84 | 5.21 | -0.37 |
| Oct | 3.73 | 3.99 | -0.26 |
| Nov | 3.26 | 3.47 | -0.21 |
| Dec | 3.35 | 3.62 | -0.27 |
45.49 | 47.87 | -2.38 |