| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.31 | 6.11 | 0.20 |
| Feb | 4.71 | 4.42 | 0.29 |
| Mar | 5.23 | 4.73 | 0.50 |
| Apr | 4.17 | 3.83 | 0.34 |
| May | 2.98 | 2.71 | 0.27 |
| Jun | 1.56 | 1.36 | 0.20 |
| Jul | 0.38 | 0.35 | 0.03 |
| Aug | 0.45 | 0.40 | 0.05 |
| Sep | 1.34 | 1.19 | 0.15 |
| Oct | 3.59 | 3.20 | 0.39 |
| Nov | 6.57 | 6.14 | 0.43 |
| Dec | 7.90 | 7.57 | 0.33 |
45.19 | 42.01 | 3.18 |