| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.80 | 3.92 | -0.12 |
| Feb | 3.57 | 3.60 | -0.03 |
| Mar | 4.05 | 4.15 | -0.10 |
| Apr | 3.14 | 3.14 | 0.00 |
| May | 3.20 | 3.29 | -0.09 |
| Jun | 4.66 | 4.68 | -0.02 |
| Jul | 4.14 | 4.37 | -0.23 |
| Aug | 4.42 | 4.73 | -0.31 |
| Sep | 3.83 | 4.01 | -0.18 |
| Oct | 3.19 | 3.22 | -0.03 |
| Nov | 3.15 | 3.27 | -0.12 |
| Dec | 4.03 | 4.01 | 0.02 |
45.18 | 46.39 | -1.21 |