| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.34 | -0.04 |
| Feb | 1.43 | 1.29 | 0.14 |
| Mar | 1.24 | 1.36 | -0.12 |
| Apr | 0.39 | 0.35 | 0.04 |
| May | 0.25 | 0.23 | 0.02 |
| Jun | 0.04 | 0.05 | -0.01 |
| Jul | 0.91 | 1.00 | -0.09 |
| Aug | 1.18 | 1.25 | -0.07 |
| Sep | 0.95 | 0.92 | 0.03 |
| Oct | 0.57 | 0.56 | 0.01 |
| Nov | 0.73 | 0.74 | -0.01 |
| Dec | 1.22 | 1.28 | -0.06 |
10.21 | 10.37 | -0.16 |