| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.14 | 4.45 | -0.31 |
| Feb | 3.58 | 3.82 | -0.24 |
| Mar | 3.63 | 3.58 | 0.05 |
| Apr | 3.48 | 3.67 | -0.19 |
| May | 4.19 | 4.36 | -0.17 |
| Jun | 5.02 | 4.87 | 0.15 |
| Jul | 6.32 | 6.46 | -0.14 |
| Aug | 7.27 | 7.56 | -0.29 |
| Sep | 7.71 | 8.35 | -0.64 |
| Oct | 4.32 | 5.12 | -0.80 |
| Nov | 3.86 | 4.46 | -0.60 |
| Dec | 4.01 | 4.28 | -0.27 |
57.53 | 60.98 | -3.45 |