| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.69 | 0.00 |
| Feb | 0.82 | 0.87 | -0.05 |
| Mar | 1.71 | 1.64 | 0.07 |
| Apr | 2.92 | 3.06 | -0.14 |
| May | 4.81 | 4.84 | -0.03 |
| Jun | 4.75 | 4.84 | -0.09 |
| Jul | 3.26 | 3.32 | -0.06 |
| Aug | 4.05 | 4.02 | 0.03 |
| Sep | 2.98 | 2.93 | 0.05 |
| Oct | 2.31 | 2.27 | 0.04 |
| Nov | 1.34 | 1.33 | 0.01 |
| Dec | 1.15 | 1.13 | 0.02 |
30.79 | 30.94 | -0.15 |