| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.08 | 4.08 | 0.00 |
| Feb | 3.82 | 3.90 | -0.08 |
| Mar | 4.54 | 4.67 | -0.13 |
| Apr | 3.02 | 3.13 | -0.11 |
| May | 3.19 | 3.11 | 0.08 |
| Jun | 4.25 | 4.51 | -0.26 |
| Jul | 4.08 | 4.11 | -0.03 |
| Aug | 4.37 | 4.44 | -0.07 |
| Sep | 3.57 | 3.72 | -0.15 |
| Oct | 2.80 | 2.84 | -0.04 |
| Nov | 3.18 | 3.24 | -0.06 |
| Dec | 4.06 | 4.08 | -0.02 |
44.96 | 45.83 | -0.87 |