| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.63 | 1.66 | -0.03 |
| Feb | 1.13 | 1.16 | -0.03 |
| Mar | 1.40 | 1.54 | -0.14 |
| Apr | 1.36 | 1.29 | 0.07 |
| May | 1.47 | 1.62 | -0.15 |
| Jun | 0.83 | 0.92 | -0.09 |
| Jul | 0.22 | 0.29 | -0.07 |
| Aug | 0.18 | 0.22 | -0.04 |
| Sep | 0.45 | 0.44 | 0.01 |
| Oct | 0.88 | 0.89 | -0.01 |
| Nov | 1.35 | 1.35 | 0.00 |
| Dec | 1.76 | 1.84 | -0.08 |
12.66 | 13.22 | -0.56 |