| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.48 | 2.72 | -0.24 |
| Feb | 1.96 | 2.16 | -0.20 |
| Mar | 2.26 | 2.22 | 0.04 |
| Apr | 3.52 | 3.73 | -0.21 |
| May | 3.87 | 4.01 | -0.14 |
| Jun | 3.61 | 3.70 | -0.09 |
| Jul | 3.31 | 3.40 | -0.09 |
| Aug | 3.54 | 3.65 | -0.11 |
| Sep | 3.17 | 3.24 | -0.07 |
| Oct | 3.74 | 3.65 | 0.09 |
| Nov | 2.90 | 3.00 | -0.10 |
| Dec | 2.30 | 2.62 | -0.32 |
36.66 | 38.10 | -1.44 |