| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.58 | -0.37 |
| Feb | 2.75 | 3.22 | -0.47 |
| Mar | 3.60 | 4.00 | -0.40 |
| Apr | 3.60 | 3.87 | -0.27 |
| May | 3.69 | 3.79 | -0.10 |
| Jun | 4.53 | 4.64 | -0.11 |
| Jul | 4.34 | 4.90 | -0.56 |
| Aug | 4.37 | 4.61 | -0.24 |
| Sep | 4.51 | 4.80 | -0.29 |
| Oct | 4.41 | 4.75 | -0.34 |
| Nov | 3.40 | 3.62 | -0.22 |
| Dec | 3.92 | 4.59 | -0.67 |
46.33 | 50.37 | -4.04 |