| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.50 | -0.03 |
| Feb | 3.01 | 3.00 | 0.01 |
| Mar | 4.08 | 4.16 | -0.08 |
| Apr | 3.41 | 3.47 | -0.06 |
| May | 3.62 | 3.65 | -0.03 |
| Jun | 3.92 | 4.04 | -0.12 |
| Jul | 4.43 | 4.36 | 0.07 |
| Aug | 4.84 | 5.03 | -0.19 |
| Sep | 4.21 | 4.44 | -0.23 |
| Oct | 3.93 | 4.08 | -0.15 |
| Nov | 3.20 | 3.24 | -0.04 |
| Dec | 3.68 | 3.86 | -0.18 |
45.80 | 46.83 | -1.03 |