| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.41 | -0.27 |
| Feb | 2.79 | 2.88 | -0.09 |
| Mar | 4.20 | 4.28 | -0.08 |
| Apr | 3.56 | 3.56 | 0.00 |
| May | 3.47 | 3.60 | -0.13 |
| Jun | 4.33 | 4.33 | 0.00 |
| Jul | 4.41 | 4.56 | -0.15 |
| Aug | 4.29 | 4.56 | -0.27 |
| Sep | 4.22 | 4.22 | 0.00 |
| Oct | 3.64 | 3.99 | -0.35 |
| Nov | 3.13 | 3.17 | -0.04 |
| Dec | 3.92 | 4.23 | -0.31 |
45.10 | 46.79 | -1.69 |