| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.69 | 0.01 |
| Feb | 1.03 | 0.98 | 0.05 |
| Mar | 1.69 | 1.71 | -0.02 |
| Apr | 2.83 | 2.86 | -0.03 |
| May | 4.56 | 4.54 | 0.02 |
| Jun | 4.22 | 4.46 | -0.24 |
| Jul | 4.33 | 4.31 | 0.02 |
| Aug | 3.57 | 3.60 | -0.03 |
| Sep | 2.93 | 2.98 | -0.05 |
| Oct | 2.22 | 2.24 | -0.02 |
| Nov | 1.33 | 1.38 | -0.05 |
| Dec | 1.07 | 1.05 | 0.02 |
30.48 | 30.80 | -0.32 |