| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.34 | 2.60 | -0.26 |
| Feb | 2.35 | 2.44 | -0.09 |
| Mar | 3.67 | 3.92 | -0.25 |
| Apr | 4.54 | 4.76 | -0.22 |
| May | 5.17 | 5.45 | -0.28 |
| Jun | 4.06 | 4.42 | -0.36 |
| Jul | 4.06 | 4.38 | -0.32 |
| Aug | 4.03 | 4.21 | -0.18 |
| Sep | 3.83 | 3.98 | -0.15 |
| Oct | 3.19 | 3.25 | -0.06 |
| Nov | 3.57 | 3.77 | -0.20 |
| Dec | 2.51 | 2.69 | -0.18 |
43.32 | 45.87 | -2.55 |