| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.38 | -0.24 |
| Feb | 2.51 | 2.85 | -0.34 |
| Mar | 3.65 | 3.85 | -0.20 |
| Apr | 3.35 | 3.69 | -0.34 |
| May | 4.34 | 4.63 | -0.29 |
| Jun | 4.34 | 4.74 | -0.40 |
| Jul | 3.76 | 4.12 | -0.36 |
| Aug | 3.76 | 3.99 | -0.23 |
| Sep | 4.53 | 5.06 | -0.53 |
| Oct | 3.45 | 3.80 | -0.35 |
| Nov | 3.20 | 3.52 | -0.32 |
| Dec | 3.35 | 3.78 | -0.43 |
43.38 | 47.41 | -4.03 |