| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.31 | 0.28 | 0.03 |
| Feb | 0.34 | 0.33 | 0.01 |
| Mar | 0.82 | 0.87 | -0.05 |
| Apr | 1.70 | 1.69 | 0.01 |
| May | 2.29 | 2.49 | -0.20 |
| Jun | 1.74 | 1.81 | -0.07 |
| Jul | 1.69 | 1.60 | 0.09 |
| Aug | 1.43 | 1.22 | 0.21 |
| Sep | 1.28 | 1.12 | 0.16 |
| Oct | 1.05 | 1.02 | 0.03 |
| Nov | 0.58 | 0.52 | 0.06 |
| Dec | 0.30 | 0.32 | -0.02 |
13.53 | 13.27 | 0.26 |