| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.71 | -0.23 |
| Feb | 3.24 | 3.25 | -0.01 |
| Mar | 3.55 | 3.75 | -0.20 |
| Apr | 2.89 | 3.03 | -0.14 |
| May | 3.24 | 3.27 | -0.03 |
| Jun | 4.15 | 4.30 | -0.15 |
| Jul | 4.28 | 4.57 | -0.29 |
| Aug | 4.76 | 4.82 | -0.06 |
| Sep | 3.92 | 4.04 | -0.12 |
| Oct | 3.22 | 3.36 | -0.14 |
| Nov | 2.84 | 2.96 | -0.12 |
| Dec | 3.56 | 3.80 | -0.24 |
43.13 | 44.86 | -1.73 |