| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.31 | 4.51 | -0.20 |
| Feb | 2.84 | 3.09 | -0.25 |
| Mar | 3.26 | 3.37 | -0.11 |
| Apr | 3.76 | 4.21 | -0.45 |
| May | 4.98 | 4.93 | 0.05 |
| Jun | 5.35 | 5.40 | -0.05 |
| Jul | 4.31 | 4.30 | 0.01 |
| Aug | 5.23 | 5.63 | -0.40 |
| Sep | 5.85 | 5.98 | -0.13 |
| Oct | 5.12 | 5.50 | -0.38 |
| Nov | 4.17 | 4.71 | -0.54 |
| Dec | 4.28 | 4.50 | -0.22 |
53.46 | 56.13 | -2.67 |