| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.59 | -0.06 |
| Feb | 2.75 | 2.91 | -0.16 |
| Mar | 3.80 | 3.92 | -0.12 |
| Apr | 4.02 | 4.15 | -0.13 |
| May | 4.10 | 4.34 | -0.24 |
| Jun | 4.91 | 5.31 | -0.40 |
| Jul | 4.98 | 4.96 | 0.02 |
| Aug | 4.60 | 4.81 | -0.21 |
| Sep | 4.99 | 5.21 | -0.22 |
| Oct | 4.63 | 4.96 | -0.33 |
| Nov | 3.65 | 3.83 | -0.18 |
| Dec | 4.12 | 4.30 | -0.18 |
50.08 | 52.29 | -2.21 |