| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.96 | -0.17 |
| Feb | 0.79 | 0.99 | -0.20 |
| Mar | 1.63 | 1.78 | -0.15 |
| Apr | 2.92 | 3.04 | -0.12 |
| May | 4.14 | 4.32 | -0.18 |
| Jun | 4.73 | 4.96 | -0.23 |
| Jul | 4.19 | 4.37 | -0.18 |
| Aug | 4.57 | 4.56 | 0.01 |
| Sep | 3.30 | 3.33 | -0.03 |
| Oct | 2.67 | 2.75 | -0.08 |
| Nov | 1.56 | 1.71 | -0.15 |
| Dec | 1.13 | 1.32 | -0.19 |
32.42 | 34.09 | -1.67 |