| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.56 | -0.06 |
| Feb | 2.81 | 2.88 | -0.07 |
| Mar | 4.00 | 4.12 | -0.12 |
| Apr | 3.64 | 3.82 | -0.18 |
| May | 3.58 | 3.62 | -0.04 |
| Jun | 4.06 | 4.28 | -0.22 |
| Jul | 4.31 | 4.43 | -0.12 |
| Aug | 4.03 | 4.12 | -0.09 |
| Sep | 4.63 | 4.82 | -0.19 |
| Oct | 3.13 | 3.22 | -0.09 |
| Nov | 3.38 | 3.36 | 0.02 |
| Dec | 3.35 | 3.50 | -0.15 |
44.42 | 45.73 | -1.31 |