| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.17 | 5.47 | -0.30 |
| Feb | 4.12 | 4.18 | -0.06 |
| Mar | 4.65 | 4.92 | -0.27 |
| Apr | 4.92 | 5.18 | -0.26 |
| May | 5.00 | 5.55 | -0.55 |
| Jun | 6.86 | 7.05 | -0.19 |
| Jul | 7.64 | 8.14 | -0.50 |
| Aug | 6.56 | 7.37 | -0.81 |
| Sep | 5.42 | 5.99 | -0.57 |
| Oct | 3.64 | 3.97 | -0.33 |
| Nov | 3.70 | 3.88 | -0.18 |
| Dec | 4.50 | 4.80 | -0.30 |
62.18 | 66.50 | -4.32 |