| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.45 | -0.16 |
| Feb | 3.08 | 3.19 | -0.11 |
| Mar | 3.36 | 3.46 | -0.10 |
| Apr | 3.25 | 3.21 | 0.04 |
| May | 3.18 | 3.07 | 0.11 |
| Jun | 5.40 | 5.37 | 0.03 |
| Jul | 5.80 | 6.00 | -0.20 |
| Aug | 6.34 | 6.66 | -0.32 |
| Sep | 5.36 | 5.60 | -0.24 |
| Oct | 4.42 | 4.46 | -0.04 |
| Nov | 2.84 | 2.86 | -0.02 |
| Dec | 3.23 | 3.57 | -0.34 |
49.55 | 50.90 | -1.35 |