| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.98 | -0.21 |
| Feb | 0.79 | 0.97 | -0.18 |
| Mar | 1.62 | 1.76 | -0.14 |
| Apr | 2.90 | 3.07 | -0.17 |
| May | 4.14 | 4.24 | -0.10 |
| Jun | 4.66 | 4.84 | -0.18 |
| Jul | 4.15 | 4.34 | -0.19 |
| Aug | 4.54 | 4.54 | 0.00 |
| Sep | 3.30 | 3.27 | 0.03 |
| Oct | 2.67 | 2.78 | -0.11 |
| Nov | 1.57 | 1.71 | -0.14 |
| Dec | 1.11 | 1.32 | -0.21 |
32.22 | 33.82 | -1.60 |