| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.33 | -0.12 |
| Feb | 2.69 | 2.86 | -0.17 |
| Mar | 3.77 | 3.88 | -0.11 |
| Apr | 3.36 | 3.54 | -0.18 |
| May | 4.41 | 4.66 | -0.25 |
| Jun | 4.32 | 4.67 | -0.35 |
| Jul | 3.98 | 4.24 | -0.26 |
| Aug | 3.80 | 3.99 | -0.19 |
| Sep | 4.66 | 4.98 | -0.32 |
| Oct | 3.67 | 3.83 | -0.16 |
| Nov | 3.42 | 3.53 | -0.11 |
| Dec | 3.51 | 3.73 | -0.22 |
44.80 | 47.24 | -2.44 |