| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.26 | -0.03 |
| Feb | 3.80 | 3.76 | 0.04 |
| Mar | 5.23 | 5.30 | -0.07 |
| Apr | 4.50 | 4.60 | -0.10 |
| May | 3.62 | 3.59 | 0.03 |
| Jun | 3.96 | 3.85 | 0.11 |
| Jul | 3.35 | 3.32 | 0.03 |
| Aug | 3.45 | 3.74 | -0.29 |
| Sep | 3.98 | 3.90 | 0.08 |
| Oct | 4.84 | 5.00 | -0.16 |
| Nov | 4.42 | 4.43 | -0.01 |
| Dec | 4.91 | 5.07 | -0.16 |
50.29 | 50.82 | -0.53 |