| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.53 | -0.23 |
| Feb | 3.11 | 3.25 | -0.14 |
| Mar | 3.36 | 3.48 | -0.12 |
| Apr | 3.27 | 3.26 | 0.01 |
| May | 3.19 | 3.38 | -0.19 |
| Jun | 5.60 | 5.88 | -0.28 |
| Jul | 5.77 | 6.63 | -0.86 |
| Aug | 6.29 | 6.98 | -0.69 |
| Sep | 5.20 | 5.64 | -0.44 |
| Oct | 4.27 | 4.29 | -0.02 |
| Nov | 2.76 | 2.86 | -0.10 |
| Dec | 3.30 | 3.64 | -0.34 |
49.42 | 52.82 | -3.40 |