| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 5.27 | -0.48 |
| Feb | 4.26 | 4.48 | -0.22 |
| Mar | 3.17 | 3.60 | -0.43 |
| Apr | 1.67 | 1.88 | -0.21 |
| May | 1.29 | 1.54 | -0.25 |
| Jun | 0.53 | 0.56 | -0.03 |
| Jul | 0.05 | 0.07 | -0.02 |
| Aug | 0.06 | 0.06 | 0.00 |
| Sep | 0.23 | 0.26 | -0.03 |
| Oct | 1.19 | 1.14 | 0.05 |
| Nov | 2.54 | 2.54 | 0.00 |
| Dec | 4.46 | 5.18 | -0.72 |
24.24 | 26.58 | -2.34 |