| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 3.88 | -0.13 |
| Feb | 3.50 | 3.64 | -0.14 |
| Mar | 3.83 | 4.16 | -0.33 |
| Apr | 2.98 | 3.09 | -0.11 |
| May | 3.29 | 3.40 | -0.11 |
| Jun | 4.70 | 4.85 | -0.15 |
| Jul | 4.51 | 4.74 | -0.23 |
| Aug | 4.53 | 4.92 | -0.39 |
| Sep | 3.98 | 4.22 | -0.24 |
| Oct | 3.22 | 3.51 | -0.29 |
| Nov | 2.92 | 3.24 | -0.32 |
| Dec | 3.84 | 3.98 | -0.14 |
45.05 | 47.63 | -2.58 |