| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.05 | 5.59 | -0.54 |
| Feb | 3.46 | 3.98 | -0.52 |
| Mar | 3.93 | 4.34 | -0.41 |
| Apr | 2.88 | 3.24 | -0.36 |
| May | 1.95 | 2.17 | -0.22 |
| Jun | 1.54 | 1.77 | -0.23 |
| Jul | 0.70 | 0.75 | -0.05 |
| Aug | 0.92 | 0.99 | -0.07 |
| Sep | 1.57 | 1.77 | -0.20 |
| Oct | 3.65 | 4.09 | -0.44 |
| Nov | 5.63 | 6.25 | -0.62 |
| Dec | 5.29 | 5.99 | -0.70 |
36.57 | 40.93 | -4.36 |