| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.96 | -0.18 |
| Feb | 0.80 | 0.94 | -0.14 |
| Mar | 1.62 | 1.73 | -0.11 |
| Apr | 2.88 | 3.14 | -0.26 |
| May | 4.10 | 4.29 | -0.19 |
| Jun | 4.67 | 4.95 | -0.28 |
| Jul | 4.15 | 4.36 | -0.21 |
| Aug | 4.60 | 4.48 | 0.12 |
| Sep | 3.34 | 3.41 | -0.07 |
| Oct | 2.77 | 3.01 | -0.24 |
| Nov | 1.60 | 1.70 | -0.10 |
| Dec | 1.11 | 1.32 | -0.21 |
32.42 | 34.29 | -1.87 |