| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.03 | 5.64 | -0.61 |
| Feb | 3.70 | 4.27 | -0.57 |
| Mar | 4.42 | 4.43 | -0.01 |
| Apr | 3.35 | 3.48 | -0.13 |
| May | 2.44 | 2.57 | -0.13 |
| Jun | 2.00 | 2.11 | -0.11 |
| Jul | 0.90 | 0.92 | -0.02 |
| Aug | 1.07 | 1.08 | -0.01 |
| Sep | 1.91 | 2.06 | -0.15 |
| Oct | 4.08 | 4.05 | 0.03 |
| Nov | 5.54 | 6.34 | -0.80 |
| Dec | 5.57 | 5.88 | -0.31 |
40.01 | 42.83 | -2.82 |