| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.98 | -0.19 |
| Feb | 0.78 | 0.96 | -0.18 |
| Mar | 1.62 | 1.76 | -0.14 |
| Apr | 2.91 | 3.07 | -0.16 |
| May | 4.08 | 4.19 | -0.11 |
| Jun | 4.61 | 4.88 | -0.27 |
| Jul | 4.18 | 4.20 | -0.02 |
| Aug | 4.52 | 4.36 | 0.16 |
| Sep | 3.32 | 3.27 | 0.05 |
| Oct | 2.66 | 2.87 | -0.21 |
| Nov | 1.56 | 1.74 | -0.18 |
| Dec | 1.14 | 1.35 | -0.21 |
32.17 | 33.63 | -1.46 |