| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.73 | -0.13 |
| Feb | 2.41 | 2.48 | -0.07 |
| Mar | 4.16 | 4.07 | 0.09 |
| Apr | 4.86 | 5.00 | -0.14 |
| May | 5.78 | 5.99 | -0.21 |
| Jun | 4.44 | 4.48 | -0.04 |
| Jul | 3.87 | 4.11 | -0.24 |
| Aug | 3.58 | 3.36 | 0.22 |
| Sep | 4.20 | 4.16 | 0.04 |
| Oct | 4.15 | 4.05 | 0.10 |
| Nov | 4.03 | 4.06 | -0.03 |
| Dec | 3.15 | 3.18 | -0.03 |
47.23 | 47.67 | -0.44 |