| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.83 | 4.86 | -0.03 |
| Feb | 4.81 | 4.84 | -0.03 |
| Mar | 5.00 | 4.95 | 0.05 |
| Apr | 4.14 | 4.19 | -0.05 |
| May | 3.92 | 3.99 | -0.07 |
| Jun | 4.65 | 4.45 | 0.20 |
| Jul | 4.67 | 4.71 | -0.04 |
| Aug | 4.59 | 4.51 | 0.08 |
| Sep | 4.05 | 4.23 | -0.18 |
| Oct | 3.70 | 3.63 | 0.07 |
| Nov | 4.31 | 4.29 | 0.02 |
| Dec | 4.75 | 4.83 | -0.08 |
53.42 | 53.48 | -0.06 |