| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.11 | 4.86 | 0.25 |
| Feb | 4.49 | 4.71 | -0.22 |
| Mar | 4.80 | 5.01 | -0.21 |
| Apr | 4.63 | 4.98 | -0.35 |
| May | 4.23 | 4.55 | -0.32 |
| Jun | 4.67 | 4.86 | -0.19 |
| Jul | 4.69 | 4.72 | -0.03 |
| Aug | 4.46 | 4.60 | -0.14 |
| Sep | 3.81 | 4.40 | -0.59 |
| Oct | 3.75 | 3.76 | -0.01 |
| Nov | 4.01 | 4.38 | -0.37 |
| Dec | 5.09 | 5.37 | -0.28 |
53.74 | 56.20 | -2.46 |