| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 2.01 | 0.06 |
| Feb | 2.24 | 2.27 | -0.03 |
| Mar | 1.87 | 2.07 | -0.20 |
| Apr | 0.97 | 1.04 | -0.07 |
| May | 0.76 | 0.71 | 0.05 |
| Jun | 0.31 | 0.35 | -0.04 |
| Jul | 2.60 | 2.56 | 0.04 |
| Aug | 3.26 | 3.29 | -0.03 |
| Sep | 1.80 | 1.83 | -0.03 |
| Oct | 1.56 | 1.58 | -0.02 |
| Nov | 1.45 | 1.47 | -0.02 |
| Dec | 1.81 | 1.95 | -0.14 |
20.70 | 21.13 | -0.43 |