| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.36 | 0.08 |
| Feb | 2.96 | 2.91 | 0.05 |
| Mar | 3.57 | 4.00 | -0.43 |
| Apr | 3.87 | 3.98 | -0.11 |
| May | 3.33 | 3.54 | -0.21 |
| Jun | 4.01 | 4.09 | -0.08 |
| Jul | 3.29 | 3.15 | 0.14 |
| Aug | 3.37 | 3.46 | -0.09 |
| Sep | 3.83 | 3.74 | 0.09 |
| Oct | 4.86 | 4.94 | -0.08 |
| Nov | 4.20 | 4.36 | -0.16 |
| Dec | 4.24 | 4.31 | -0.07 |
44.97 | 45.84 | -0.87 |