| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.01 | 4.74 | 0.27 |
| Feb | 4.50 | 4.74 | -0.24 |
| Mar | 3.73 | 3.97 | -0.24 |
| Apr | 2.21 | 2.32 | -0.11 |
| May | 1.18 | 1.34 | -0.16 |
| Jun | 0.26 | 0.34 | -0.08 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.03 | 0.03 | 0.00 |
| Sep | 0.15 | 0.14 | 0.01 |
| Oct | 1.06 | 1.32 | -0.26 |
| Nov | 2.51 | 2.57 | -0.06 |
| Dec | 4.22 | 4.72 | -0.50 |
24.87 | 26.23 | -1.36 |