| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.74 | 0.07 |
| Feb | 1.04 | 1.06 | -0.02 |
| Mar | 1.87 | 1.80 | 0.07 |
| Apr | 3.18 | 3.27 | -0.09 |
| May | 5.17 | 5.23 | -0.06 |
| Jun | 4.98 | 4.86 | 0.12 |
| Jul | 4.25 | 4.32 | -0.07 |
| Aug | 3.50 | 3.54 | -0.04 |
| Sep | 3.14 | 3.02 | 0.12 |
| Oct | 2.69 | 2.68 | 0.01 |
| Nov | 1.50 | 1.56 | -0.06 |
| Dec | 1.19 | 1.23 | -0.04 |
33.32 | 33.31 | 0.01 |