| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.52 | -0.05 |
| Feb | 0.67 | 0.73 | -0.06 |
| Mar | 1.00 | 1.09 | -0.09 |
| Apr | 1.92 | 1.99 | -0.07 |
| May | 2.96 | 3.24 | -0.28 |
| Jun | 2.32 | 2.45 | -0.13 |
| Jul | 1.56 | 1.63 | -0.07 |
| Aug | 1.20 | 1.26 | -0.06 |
| Sep | 1.12 | 1.16 | -0.04 |
| Oct | 1.45 | 1.52 | -0.07 |
| Nov | 0.62 | 0.62 | 0.00 |
| Dec | 0.53 | 0.61 | -0.08 |
15.82 | 16.82 | -1.00 |