| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.57 | 1.62 | -0.05 |
| Feb | 1.57 | 1.59 | -0.02 |
| Mar | 2.11 | 2.14 | -0.03 |
| Apr | 3.66 | 3.58 | 0.08 |
| May | 4.29 | 4.23 | 0.06 |
| Jun | 5.27 | 5.31 | -0.04 |
| Jul | 3.74 | 3.64 | 0.10 |
| Aug | 4.02 | 4.09 | -0.07 |
| Sep | 3.56 | 3.73 | -0.17 |
| Oct | 2.86 | 2.84 | 0.02 |
| Nov | 2.30 | 2.36 | -0.06 |
| Dec | 1.89 | 1.95 | -0.06 |
36.84 | 37.08 | -0.24 |