| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.97 | -0.22 |
| Feb | 0.78 | 0.92 | -0.14 |
| Mar | 1.60 | 1.72 | -0.12 |
| Apr | 2.90 | 3.08 | -0.18 |
| May | 4.18 | 4.21 | -0.03 |
| Jun | 4.63 | 4.74 | -0.11 |
| Jul | 4.14 | 4.31 | -0.17 |
| Aug | 4.48 | 4.57 | -0.09 |
| Sep | 3.26 | 3.26 | 0.00 |
| Oct | 2.64 | 2.75 | -0.11 |
| Nov | 1.56 | 1.70 | -0.14 |
| Dec | 1.05 | 1.29 | -0.24 |
31.97 | 33.52 | -1.55 |