| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.89 | -0.20 |
| Feb | 4.19 | 4.44 | -0.25 |
| Mar | 4.71 | 5.01 | -0.30 |
| Apr | 4.78 | 4.94 | -0.16 |
| May | 5.14 | 5.23 | -0.09 |
| Jun | 4.60 | 4.80 | -0.20 |
| Jul | 4.40 | 4.56 | -0.16 |
| Aug | 3.62 | 3.67 | -0.05 |
| Sep | 3.62 | 3.80 | -0.18 |
| Oct | 3.71 | 3.76 | -0.05 |
| Nov | 3.76 | 3.80 | -0.04 |
| Dec | 4.51 | 4.88 | -0.37 |
50.73 | 52.78 | -2.05 |