| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 3.88 | 0.12 |
| Feb | 3.05 | 3.06 | -0.01 |
| Mar | 3.51 | 3.51 | 0.00 |
| Apr | 3.90 | 3.73 | 0.17 |
| May | 5.01 | 5.20 | -0.19 |
| Jun | 4.86 | 4.76 | 0.10 |
| Jul | 3.68 | 3.46 | 0.22 |
| Aug | 4.26 | 4.41 | -0.15 |
| Sep | 4.21 | 4.31 | -0.10 |
| Oct | 4.90 | 4.86 | 0.04 |
| Nov | 4.28 | 4.32 | -0.04 |
| Dec | 3.96 | 3.92 | 0.04 |
49.62 | 49.42 | 0.20 |