| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.47 | 0.20 |
| Feb | 3.64 | 3.70 | -0.06 |
| Mar | 5.01 | 4.97 | 0.04 |
| Apr | 5.36 | 5.19 | 0.17 |
| May | 5.29 | 5.23 | 0.06 |
| Jun | 3.47 | 3.69 | -0.22 |
| Jul | 3.92 | 3.78 | 0.14 |
| Aug | 4.00 | 4.06 | -0.06 |
| Sep | 3.83 | 3.76 | 0.07 |
| Oct | 4.02 | 4.06 | -0.04 |
| Nov | 4.86 | 4.79 | 0.07 |
| Dec | 4.39 | 4.48 | -0.09 |
51.46 | 51.18 | 0.28 |