| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.86 | 0.00 |
| Feb | 3.34 | 3.49 | -0.15 |
| Mar | 4.07 | 4.21 | -0.14 |
| Apr | 4.11 | 4.22 | -0.11 |
| May | 4.80 | 5.01 | -0.21 |
| Jun | 4.76 | 5.06 | -0.30 |
| Jul | 5.11 | 5.41 | -0.30 |
| Aug | 3.92 | 4.14 | -0.22 |
| Sep | 3.75 | 3.78 | -0.03 |
| Oct | 3.35 | 3.46 | -0.11 |
| Nov | 3.20 | 3.26 | -0.06 |
| Dec | 3.89 | 3.98 | -0.09 |
48.16 | 49.88 | -1.72 |