| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.14 | -0.12 |
| Feb | 0.98 | 1.21 | -0.23 |
| Mar | 1.45 | 1.59 | -0.14 |
| Apr | 2.45 | 2.71 | -0.26 |
| May | 3.15 | 3.33 | -0.18 |
| Jun | 4.20 | 4.55 | -0.35 |
| Jul | 3.78 | 3.87 | -0.09 |
| Aug | 3.30 | 3.48 | -0.18 |
| Sep | 3.30 | 3.69 | -0.39 |
| Oct | 2.98 | 3.27 | -0.29 |
| Nov | 1.91 | 2.22 | -0.31 |
| Dec | 1.44 | 1.80 | -0.36 |
29.96 | 32.86 | -2.90 |