| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.63 | 4.70 | -0.07 |
| Feb | 4.00 | 4.11 | -0.11 |
| Mar | 4.79 | 4.81 | -0.02 |
| Apr | 3.79 | 3.81 | -0.02 |
| May | 3.03 | 3.19 | -0.16 |
| Jun | 6.51 | 6.80 | -0.29 |
| Jul | 6.52 | 6.98 | -0.46 |
| Aug | 6.34 | 6.92 | -0.58 |
| Sep | 4.97 | 5.37 | -0.40 |
| Oct | 3.22 | 3.18 | 0.04 |
| Nov | 2.92 | 3.04 | -0.12 |
| Dec | 3.69 | 3.83 | -0.14 |
54.41 | 56.74 | -2.33 |