| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.85 | 4.76 | 0.09 |
| Feb | 5.26 | 5.08 | 0.18 |
| Mar | 5.50 | 5.48 | 0.02 |
| Apr | 5.13 | 4.95 | 0.18 |
| May | 4.75 | 4.75 | 0.00 |
| Jun | 4.63 | 4.83 | -0.20 |
| Jul | 4.64 | 4.80 | -0.16 |
| Aug | 4.02 | 4.06 | -0.04 |
| Sep | 4.05 | 4.05 | 0.00 |
| Oct | 3.75 | 3.56 | 0.19 |
| Nov | 4.14 | 4.01 | 0.13 |
| Dec | 5.87 | 5.93 | -0.06 |
56.59 | 56.26 | 0.33 |