| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.74 | 6.60 | 0.14 |
| Feb | 4.98 | 4.83 | 0.15 |
| Mar | 4.63 | 4.56 | 0.07 |
| Apr | 2.38 | 2.36 | 0.02 |
| May | 1.71 | 1.78 | -0.07 |
| Jun | 1.00 | 1.02 | -0.02 |
| Jul | 0.32 | 0.32 | 0.00 |
| Aug | 0.40 | 0.37 | 0.03 |
| Sep | 1.06 | 1.01 | 0.05 |
| Oct | 3.51 | 3.53 | -0.02 |
| Nov | 6.26 | 6.17 | 0.09 |
| Dec | 7.67 | 7.63 | 0.04 |
40.66 | 40.18 | 0.48 |