| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.83 | 1.82 | 0.01 |
| Feb | 1.50 | 1.52 | -0.02 |
| Mar | 1.30 | 1.26 | 0.04 |
| Apr | 0.64 | 0.59 | 0.05 |
| May | 0.73 | 0.62 | 0.11 |
| Jun | 0.39 | 0.35 | 0.04 |
| Jul | 0.25 | 0.23 | 0.02 |
| Aug | 0.28 | 0.26 | 0.02 |
| Sep | 0.27 | 0.22 | 0.05 |
| Oct | 0.75 | 0.63 | 0.12 |
| Nov | 0.96 | 0.93 | 0.03 |
| Dec | 1.74 | 1.80 | -0.06 |
10.64 | 10.23 | 0.41 |