| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.67 | -0.05 |
| Feb | 0.74 | 0.80 | -0.06 |
| Mar | 1.44 | 1.50 | -0.06 |
| Apr | 2.66 | 2.78 | -0.12 |
| May | 3.59 | 3.88 | -0.29 |
| Jun | 4.88 | 4.92 | -0.04 |
| Jul | 3.77 | 3.62 | 0.15 |
| Aug | 4.20 | 3.99 | 0.21 |
| Sep | 2.98 | 3.10 | -0.12 |
| Oct | 2.35 | 2.32 | 0.03 |
| Nov | 1.24 | 1.27 | -0.03 |
| Dec | 0.90 | 0.98 | -0.08 |
29.37 | 29.83 | -0.46 |