| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.75 | 0.01 |
| Feb | 2.95 | 3.14 | -0.19 |
| Mar | 4.21 | 4.39 | -0.18 |
| Apr | 4.16 | 4.21 | -0.05 |
| May | 4.25 | 4.32 | -0.07 |
| Jun | 4.92 | 5.09 | -0.17 |
| Jul | 4.83 | 4.74 | 0.09 |
| Aug | 4.56 | 4.69 | -0.13 |
| Sep | 4.63 | 4.60 | 0.03 |
| Oct | 4.71 | 4.97 | -0.26 |
| Nov | 3.67 | 3.79 | -0.12 |
| Dec | 4.63 | 4.75 | -0.12 |
51.28 | 52.44 | -1.16 |