| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.87 | 0.02 |
| Feb | 1.13 | 1.13 | 0.00 |
| Mar | 1.54 | 1.53 | 0.01 |
| Apr | 1.51 | 1.40 | 0.11 |
| May | 2.65 | 2.37 | 0.28 |
| Jun | 2.59 | 2.54 | 0.05 |
| Jul | 1.57 | 1.53 | 0.04 |
| Aug | 2.31 | 2.38 | -0.07 |
| Sep | 2.64 | 2.56 | 0.08 |
| Oct | 2.18 | 2.17 | 0.01 |
| Nov | 1.30 | 1.27 | 0.03 |
| Dec | 0.88 | 0.85 | 0.03 |
21.19 | 20.60 | 0.59 |