| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.50 | 0.01 |
| Feb | 2.86 | 2.84 | 0.02 |
| Mar | 3.99 | 4.00 | -0.01 |
| Apr | 3.63 | 3.64 | -0.01 |
| May | 3.88 | 3.93 | -0.05 |
| Jun | 4.60 | 4.37 | 0.23 |
| Jul | 5.14 | 5.15 | -0.01 |
| Aug | 4.88 | 4.96 | -0.08 |
| Sep | 4.75 | 4.95 | -0.20 |
| Oct | 4.03 | 4.21 | -0.18 |
| Nov | 3.09 | 3.05 | 0.04 |
| Dec | 3.60 | 3.65 | -0.05 |
47.96 | 48.25 | -0.29 |