| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.86 | -0.64 |
| Feb | 2.57 | 3.27 | -0.70 |
| Mar | 3.63 | 4.37 | -0.74 |
| Apr | 3.44 | 3.90 | -0.46 |
| May | 4.34 | 5.26 | -0.92 |
| Jun | 4.48 | 5.40 | -0.92 |
| Jul | 3.80 | 4.67 | -0.87 |
| Aug | 3.91 | 4.51 | -0.60 |
| Sep | 4.71 | 5.70 | -0.99 |
| Oct | 3.51 | 4.37 | -0.86 |
| Nov | 3.29 | 4.00 | -0.71 |
| Dec | 3.44 | 4.34 | -0.90 |
44.34 | 53.65 | -9.31 |