| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.60 | -0.18 |
| Feb | 3.20 | 3.36 | -0.16 |
| Mar | 3.53 | 3.72 | -0.19 |
| Apr | 3.10 | 3.17 | -0.07 |
| May | 3.92 | 3.98 | -0.06 |
| Jun | 4.93 | 5.10 | -0.17 |
| Jul | 5.89 | 6.48 | -0.59 |
| Aug | 6.30 | 7.24 | -0.94 |
| Sep | 6.06 | 6.56 | -0.50 |
| Oct | 3.98 | 4.50 | -0.52 |
| Nov | 3.22 | 3.26 | -0.04 |
| Dec | 3.69 | 3.67 | 0.02 |
51.24 | 54.64 | -3.40 |