| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.45 | -0.04 |
| Feb | 0.46 | 0.51 | -0.05 |
| Mar | 0.79 | 0.83 | -0.04 |
| Apr | 1.41 | 1.47 | -0.06 |
| May | 2.05 | 1.99 | 0.06 |
| Jun | 2.34 | 2.29 | 0.05 |
| Jul | 1.16 | 1.21 | -0.05 |
| Aug | 1.02 | 0.98 | 0.04 |
| Sep | 1.09 | 1.00 | 0.09 |
| Oct | 1.16 | 1.19 | -0.03 |
| Nov | 0.64 | 0.67 | -0.03 |
| Dec | 0.50 | 0.53 | -0.03 |
13.03 | 13.12 | -0.09 |