| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.63 | -0.18 |
| Feb | 3.10 | 3.21 | -0.11 |
| Mar | 3.99 | 4.05 | -0.06 |
| Apr | 4.20 | 4.14 | 0.06 |
| May | 3.80 | 3.96 | -0.16 |
| Jun | 4.70 | 4.57 | 0.13 |
| Jul | 4.31 | 4.25 | 0.06 |
| Aug | 4.34 | 4.20 | 0.14 |
| Sep | 4.60 | 4.57 | 0.03 |
| Oct | 4.96 | 4.96 | 0.00 |
| Nov | 3.74 | 3.74 | 0.00 |
| Dec | 4.41 | 4.56 | -0.15 |
49.60 | 49.84 | -0.24 |