| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.86 | -0.03 |
| Feb | 0.86 | 0.88 | -0.02 |
| Mar | 1.37 | 1.40 | -0.03 |
| Apr | 2.46 | 2.47 | -0.01 |
| May | 3.36 | 3.42 | -0.06 |
| Jun | 4.60 | 4.58 | 0.02 |
| Jul | 4.30 | 4.38 | -0.08 |
| Aug | 3.76 | 3.83 | -0.07 |
| Sep | 3.22 | 3.30 | -0.08 |
| Oct | 3.02 | 3.06 | -0.04 |
| Nov | 1.64 | 1.67 | -0.03 |
| Dec | 1.24 | 1.35 | -0.11 |
30.66 | 31.20 | -0.54 |