| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.67 | 5.51 | -0.84 |
| Feb | 4.44 | 4.58 | -0.14 |
| Mar | 4.88 | 5.05 | -0.17 |
| Apr | 4.78 | 5.36 | -0.58 |
| May | 3.56 | 3.63 | -0.07 |
| Jun | 6.37 | 6.87 | -0.50 |
| Jul | 6.81 | 7.32 | -0.51 |
| Aug | 6.83 | 7.13 | -0.30 |
| Sep | 6.47 | 6.61 | -0.14 |
| Oct | 4.20 | 4.24 | -0.04 |
| Nov | 4.08 | 4.48 | -0.40 |
| Dec | 4.71 | 5.29 | -0.58 |
61.80 | 66.07 | -4.27 |