| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 1.18 | 0.04 |
| Feb | 1.39 | 1.48 | -0.09 |
| Mar | 2.00 | 2.17 | -0.17 |
| Apr | 2.76 | 2.70 | 0.06 |
| May | 2.36 | 2.40 | -0.04 |
| Jun | 1.46 | 1.80 | -0.34 |
| Jul | 2.20 | 2.70 | -0.50 |
| Aug | 2.05 | 2.32 | -0.27 |
| Sep | 1.60 | 1.83 | -0.23 |
| Oct | 1.45 | 1.44 | 0.01 |
| Nov | 1.27 | 1.37 | -0.10 |
| Dec | 1.24 | 1.40 | -0.16 |
21.00 | 22.79 | -1.79 |