| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 1.21 | -0.18 |
| Feb | 1.25 | 1.41 | -0.16 |
| Mar | 2.00 | 2.15 | -0.15 |
| Apr | 3.82 | 3.87 | -0.05 |
| May | 4.43 | 4.64 | -0.21 |
| Jun | 5.61 | 5.71 | -0.10 |
| Jul | 4.32 | 4.39 | -0.07 |
| Aug | 4.22 | 4.21 | 0.01 |
| Sep | 3.61 | 3.90 | -0.29 |
| Oct | 2.91 | 2.98 | -0.07 |
| Nov | 2.15 | 2.20 | -0.05 |
| Dec | 1.57 | 1.67 | -0.10 |
36.92 | 38.34 | -1.42 |