| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.69 | -0.02 |
| Feb | 2.40 | 2.48 | -0.08 |
| Mar | 4.09 | 4.00 | 0.09 |
| Apr | 4.86 | 5.02 | -0.16 |
| May | 5.77 | 5.90 | -0.13 |
| Jun | 4.32 | 4.46 | -0.14 |
| Jul | 3.98 | 3.93 | 0.05 |
| Aug | 3.68 | 3.50 | 0.18 |
| Sep | 4.20 | 4.22 | -0.02 |
| Oct | 4.32 | 4.18 | 0.14 |
| Nov | 3.96 | 3.95 | 0.01 |
| Dec | 3.19 | 3.13 | 0.06 |
47.44 | 47.46 | -0.02 |