| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.06 | -0.02 |
| Feb | 2.69 | 2.86 | -0.17 |
| Mar | 3.88 | 3.90 | -0.02 |
| Apr | 3.31 | 3.31 | 0.00 |
| May | 3.98 | 4.18 | -0.20 |
| Jun | 4.31 | 4.28 | 0.03 |
| Jul | 4.45 | 4.34 | 0.11 |
| Aug | 4.23 | 4.32 | -0.09 |
| Sep | 4.51 | 4.36 | 0.15 |
| Oct | 3.70 | 3.97 | -0.27 |
| Nov | 3.11 | 3.26 | -0.15 |
| Dec | 3.62 | 3.78 | -0.16 |
44.83 | 45.62 | -0.79 |