| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.91 | -0.34 |
| Feb | 1.98 | 2.19 | -0.21 |
| Mar | 2.21 | 2.43 | -0.22 |
| Apr | 3.50 | 3.66 | -0.16 |
| May | 4.14 | 4.27 | -0.13 |
| Jun | 3.81 | 3.92 | -0.11 |
| Jul | 3.50 | 3.51 | -0.01 |
| Aug | 3.66 | 3.80 | -0.14 |
| Sep | 3.25 | 3.29 | -0.04 |
| Oct | 3.75 | 3.97 | -0.22 |
| Nov | 2.77 | 3.02 | -0.25 |
| Dec | 2.42 | 2.67 | -0.25 |
37.56 | 39.64 | -2.08 |