| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.15 | 2.42 | -0.27 |
| Feb | 2.11 | 2.13 | -0.02 |
| Mar | 3.03 | 3.06 | -0.03 |
| Apr | 4.30 | 4.50 | -0.20 |
| May | 4.90 | 5.26 | -0.36 |
| Jun | 4.42 | 4.48 | -0.06 |
| Jul | 4.24 | 4.13 | 0.11 |
| Aug | 3.88 | 3.77 | 0.11 |
| Sep | 3.56 | 3.63 | -0.07 |
| Oct | 3.23 | 3.35 | -0.12 |
| Nov | 3.03 | 3.17 | -0.14 |
| Dec | 2.31 | 2.27 | 0.04 |
41.16 | 42.17 | -1.01 |