| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.62 | -0.24 |
| Feb | 2.82 | 3.05 | -0.23 |
| Mar | 3.19 | 3.28 | -0.09 |
| Apr | 3.62 | 4.26 | -0.64 |
| May | 4.66 | 4.95 | -0.29 |
| Jun | 5.41 | 5.79 | -0.38 |
| Jul | 4.31 | 4.38 | -0.07 |
| Aug | 5.30 | 6.00 | -0.70 |
| Sep | 5.93 | 6.83 | -0.90 |
| Oct | 5.13 | 5.43 | -0.30 |
| Nov | 4.19 | 4.84 | -0.65 |
| Dec | 4.28 | 4.50 | -0.22 |
53.22 | 57.93 | -4.71 |