| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.96 | -0.18 |
| Feb | 0.80 | 0.93 | -0.13 |
| Mar | 1.62 | 1.73 | -0.11 |
| Apr | 2.88 | 3.14 | -0.26 |
| May | 4.10 | 4.28 | -0.18 |
| Jun | 4.67 | 4.93 | -0.26 |
| Jul | 4.15 | 4.37 | -0.22 |
| Aug | 4.60 | 4.46 | 0.14 |
| Sep | 3.34 | 3.41 | -0.07 |
| Oct | 2.77 | 3.00 | -0.23 |
| Nov | 1.60 | 1.70 | -0.10 |
| Dec | 1.11 | 1.32 | -0.21 |
32.42 | 34.23 | -1.81 |