| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.64 | -0.18 |
| Feb | 2.30 | 2.37 | -0.07 |
| Mar | 3.96 | 3.86 | 0.10 |
| Apr | 4.80 | 4.87 | -0.07 |
| May | 5.83 | 6.14 | -0.31 |
| Jun | 4.53 | 4.26 | 0.27 |
| Jul | 3.83 | 3.98 | -0.15 |
| Aug | 3.49 | 3.49 | 0.00 |
| Sep | 4.22 | 4.16 | 0.06 |
| Oct | 4.03 | 4.18 | -0.15 |
| Nov | 3.85 | 3.90 | -0.05 |
| Dec | 2.93 | 3.09 | -0.16 |
46.23 | 46.94 | -0.71 |