| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.08 | -0.10 |
| Feb | 2.64 | 2.79 | -0.15 |
| Mar | 3.95 | 4.00 | -0.05 |
| Apr | 3.38 | 3.44 | -0.06 |
| May | 3.96 | 4.23 | -0.27 |
| Jun | 4.26 | 4.40 | -0.14 |
| Jul | 4.45 | 4.56 | -0.11 |
| Aug | 4.29 | 4.12 | 0.17 |
| Sep | 4.43 | 4.53 | -0.10 |
| Oct | 3.94 | 4.10 | -0.16 |
| Nov | 3.12 | 3.22 | -0.10 |
| Dec | 3.71 | 3.81 | -0.10 |
45.11 | 46.28 | -1.17 |