| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.19 | 0.06 |
| Feb | 2.80 | 2.75 | 0.05 |
| Mar | 3.83 | 3.80 | 0.03 |
| Apr | 3.43 | 3.34 | 0.09 |
| May | 4.12 | 4.12 | 0.00 |
| Jun | 4.37 | 4.15 | 0.22 |
| Jul | 4.25 | 4.17 | 0.08 |
| Aug | 4.04 | 4.08 | -0.04 |
| Sep | 4.45 | 4.29 | 0.16 |
| Oct | 3.80 | 3.62 | 0.18 |
| Nov | 3.45 | 3.29 | 0.16 |
| Dec | 3.52 | 3.59 | -0.07 |
45.31 | 44.39 | 0.92 |