| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.00 | 3.09 | -0.09 |
| Feb | 2.60 | 2.67 | -0.07 |
| Mar | 3.60 | 3.83 | -0.23 |
| Apr | 3.35 | 3.39 | -0.04 |
| May | 4.18 | 4.47 | -0.29 |
| Jun | 4.16 | 4.42 | -0.26 |
| Jul | 4.35 | 4.46 | -0.11 |
| Aug | 3.50 | 3.66 | -0.16 |
| Sep | 4.17 | 4.38 | -0.21 |
| Oct | 3.68 | 3.76 | -0.08 |
| Nov | 3.06 | 3.19 | -0.13 |
| Dec | 3.49 | 3.60 | -0.11 |
43.14 | 44.92 | -1.78 |