| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.87 | -0.14 |
| Feb | 2.12 | 2.35 | -0.23 |
| Mar | 2.96 | 3.00 | -0.04 |
| Apr | 3.44 | 3.57 | -0.13 |
| May | 3.40 | 3.44 | -0.04 |
| Jun | 3.79 | 4.31 | -0.52 |
| Jul | 3.67 | 3.98 | -0.31 |
| Aug | 3.90 | 3.92 | -0.02 |
| Sep | 3.97 | 4.15 | -0.18 |
| Oct | 3.93 | 4.19 | -0.26 |
| Nov | 2.77 | 2.80 | -0.03 |
| Dec | 2.90 | 3.15 | -0.25 |
39.58 | 41.73 | -2.15 |