| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.78 | -0.04 |
| Feb | 1.02 | 1.09 | -0.07 |
| Mar | 1.81 | 1.90 | -0.09 |
| Apr | 2.62 | 2.67 | -0.05 |
| May | 4.86 | 4.97 | -0.11 |
| Jun | 3.96 | 4.01 | -0.05 |
| Jul | 3.98 | 4.16 | -0.18 |
| Aug | 3.75 | 3.93 | -0.18 |
| Sep | 2.76 | 2.74 | 0.02 |
| Oct | 2.22 | 2.25 | -0.03 |
| Nov | 1.26 | 1.32 | -0.06 |
| Dec | 1.11 | 1.17 | -0.06 |
30.09 | 30.99 | -0.90 |