| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.73 | -0.40 |
| Feb | 3.80 | 5.02 | -1.22 |
| Mar | 2.27 | 3.15 | -0.88 |
| Apr | 0.94 | 1.14 | -0.20 |
| May | 0.33 | 0.47 | -0.14 |
| Jun | 0.04 | 0.10 | -0.06 |
| Jul | 0.07 | 0.09 | -0.02 |
| Aug | 0.03 | 0.03 | 0.00 |
| Sep | 0.17 | 0.18 | -0.01 |
| Oct | 0.57 | 0.84 | -0.27 |
| Nov | 1.05 | 1.37 | -0.32 |
| Dec | 2.44 | 3.24 | -0.80 |
15.04 | 19.36 | -4.32 |