| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.65 | 3.83 | -0.18 |
| Feb | 3.19 | 3.23 | -0.04 |
| Mar | 3.70 | 3.82 | -0.12 |
| Apr | 3.15 | 3.34 | -0.19 |
| May | 3.15 | 3.47 | -0.32 |
| Jun | 4.02 | 3.84 | 0.18 |
| Jul | 4.05 | 4.31 | -0.26 |
| Aug | 4.33 | 4.86 | -0.53 |
| Sep | 3.82 | 4.30 | -0.48 |
| Oct | 3.18 | 3.31 | -0.13 |
| Nov | 3.13 | 3.16 | -0.03 |
| Dec | 3.80 | 3.90 | -0.10 |
43.17 | 45.37 | -2.20 |