| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.07 | 1.98 | 0.09 |
| Feb | 2.24 | 2.18 | 0.06 |
| Mar | 1.87 | 2.06 | -0.19 |
| Apr | 0.97 | 1.02 | -0.05 |
| May | 0.76 | 0.71 | 0.05 |
| Jun | 0.31 | 0.34 | -0.03 |
| Jul | 2.60 | 2.51 | 0.09 |
| Aug | 3.26 | 3.16 | 0.10 |
| Sep | 1.80 | 1.78 | 0.02 |
| Oct | 1.56 | 1.54 | 0.02 |
| Nov | 1.45 | 1.44 | 0.01 |
| Dec | 1.81 | 1.90 | -0.09 |
20.70 | 20.62 | 0.08 |