| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.90 | -0.12 |
| Feb | 0.81 | 0.88 | -0.07 |
| Mar | 1.62 | 1.64 | -0.02 |
| Apr | 2.87 | 3.04 | -0.17 |
| May | 4.14 | 4.17 | -0.03 |
| Jun | 4.66 | 4.73 | -0.07 |
| Jul | 4.12 | 4.27 | -0.15 |
| Aug | 4.50 | 4.24 | 0.26 |
| Sep | 3.31 | 3.31 | 0.00 |
| Oct | 2.81 | 2.89 | -0.08 |
| Nov | 1.63 | 1.66 | -0.03 |
| Dec | 1.13 | 1.26 | -0.13 |
32.38 | 32.99 | -0.61 |