| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.69 | -0.05 |
| Feb | 0.74 | 0.79 | -0.05 |
| Mar | 1.48 | 1.47 | 0.01 |
| Apr | 2.60 | 2.61 | -0.01 |
| May | 3.60 | 3.61 | -0.01 |
| Jun | 4.83 | 4.75 | 0.08 |
| Jul | 3.80 | 3.62 | 0.18 |
| Aug | 4.12 | 3.92 | 0.20 |
| Sep | 3.02 | 3.00 | 0.02 |
| Oct | 2.35 | 2.28 | 0.07 |
| Nov | 1.25 | 1.26 | -0.01 |
| Dec | 0.88 | 0.94 | -0.06 |
29.31 | 28.94 | 0.37 |