| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.62 | -0.08 |
| Feb | 3.01 | 2.98 | 0.03 |
| Mar | 4.02 | 4.08 | -0.06 |
| Apr | 3.63 | 3.67 | -0.04 |
| May | 3.54 | 3.60 | -0.06 |
| Jun | 4.21 | 4.30 | -0.09 |
| Jul | 4.73 | 4.60 | 0.13 |
| Aug | 4.45 | 4.53 | -0.08 |
| Sep | 4.88 | 5.08 | -0.20 |
| Oct | 3.35 | 3.47 | -0.12 |
| Nov | 3.31 | 3.37 | -0.06 |
| Dec | 3.54 | 3.50 | 0.04 |
46.21 | 46.80 | -0.59 |