| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.55 | -0.07 |
| Feb | 3.22 | 3.27 | -0.05 |
| Mar | 3.46 | 3.45 | 0.01 |
| Apr | 3.23 | 3.45 | -0.22 |
| May | 3.28 | 3.37 | -0.09 |
| Jun | 5.45 | 5.73 | -0.28 |
| Jul | 5.80 | 5.60 | 0.20 |
| Aug | 6.24 | 6.38 | -0.14 |
| Sep | 4.55 | 4.45 | 0.10 |
| Oct | 3.81 | 3.78 | 0.03 |
| Nov | 2.60 | 2.67 | -0.07 |
| Dec | 3.26 | 3.54 | -0.28 |
48.38 | 49.24 | -0.86 |