| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.06 | 0.14 |
| Feb | 1.20 | 1.09 | 0.11 |
| Mar | 0.88 | 0.78 | 0.10 |
| Apr | 0.33 | 0.30 | 0.03 |
| May | 0.20 | 0.19 | 0.01 |
| Jun | 0.17 | 0.25 | -0.08 |
| Jul | 1.89 | 1.99 | -0.10 |
| Aug | 2.22 | 2.44 | -0.22 |
| Sep | 1.31 | 1.13 | 0.18 |
| Oct | 0.62 | 0.79 | -0.17 |
| Nov | 0.84 | 0.70 | 0.14 |
| Dec | 1.33 | 1.23 | 0.10 |
12.19 | 11.95 | 0.24 |