| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.79 | 2.01 | -0.22 |
| Feb | 1.72 | 1.91 | -0.19 |
| Mar | 2.15 | 2.42 | -0.27 |
| Apr | 2.76 | 3.02 | -0.26 |
| May | 2.56 | 2.54 | 0.02 |
| Jun | 1.16 | 1.21 | -0.05 |
| Jul | 0.63 | 0.67 | -0.04 |
| Aug | 0.79 | 0.76 | 0.03 |
| Sep | 1.45 | 1.38 | 0.07 |
| Oct | 1.89 | 1.81 | 0.08 |
| Nov | 1.61 | 1.86 | -0.25 |
| Dec | 1.78 | 1.94 | -0.16 |
20.29 | 21.53 | -1.24 |