| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.59 | 2.46 | 0.13 |
| Feb | 2.18 | 2.21 | -0.03 |
| Mar | 2.55 | 2.42 | 0.13 |
| Apr | 3.07 | 3.20 | -0.13 |
| May | 3.70 | 3.74 | -0.04 |
| Jun | 4.05 | 4.12 | -0.07 |
| Jul | 4.54 | 4.46 | 0.08 |
| Aug | 3.90 | 4.02 | -0.12 |
| Sep | 3.42 | 3.46 | -0.04 |
| Oct | 4.05 | 4.11 | -0.06 |
| Nov | 3.00 | 2.96 | 0.04 |
| Dec | 3.14 | 3.25 | -0.11 |
40.19 | 40.41 | -0.22 |